Test Bank for Database Systems Design,Implementation & Management 13E by Carlos Coronel,Steven Morri

Database Systems: Design, Implementation, & Management th

13 Edition Carlos Coronel Steven Morris Test Bank

Chapter 01: Database Systems 1. Data and information are essentially the same thing. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p. 4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data versus Information KEYWORDS: Bloom's: Knowledge 2. Data processing can be as simple as organizing data to reveal patterns. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data versus Information KEYWORDS: Bloom's: Knowledge 3. Data is the result of processing raw facts to reveal its meaning. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data versus Information KEYWORDS: Bloom's: Knowledge 4. When data are entered into a form and saved, they are placed in the underlying database as knowledge. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Data versus Information KEYWORDS: Bloom's: Comprehension 5. Data constitute the building blocks of information. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data versus Information KEYWORDS: Bloom's: Knowledge 6. Metadata describe the data characteristics and the set of relationships that links the data found within the database. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 7. The only way to access the data in a database is through the DBMS. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Introducing the Database KEYWORDS: Bloom's: Comprehension 8. Database programming languages receive all application requests and translate them into the complex operations required to fulfill those requests. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Comprehension 9. The DBMS reveals much of the database’s internal complexity to the application programs and users. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Introducing the Database KEYWORDS: Bloom's: Comprehension 10. One disadvantage of the DBMS is that it increases the risk of data security breaches. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.7 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducting the Database KEYWORDS: Bloom's: Knowledge 11. An operational database is sometimes referred to as an enterprise database. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.9 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems TOPICS: KEYWORDS:

Data versus Information Bloom's: Knowledge

12. A data warehouse can store data derived from many sources. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.9 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom’s: Knowledge 13. The same data might be simultaneously structured and unstructured depending on the intended processing. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.9 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Introducing the Database KEYWORDS: Bloom’s: Comprehension 14. Corporations use only structured data. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.10 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Introducing the Database KEYWORDS: Bloom's: Comprehension 15. Field refers to a collection of related records. a. True b. False ANSWER: False Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.15 LEARNING OBJECTIVES: DATA.CORO.15.LO1-5 - LO1-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Evolution of File System Data Processing KEYWORDS: Bloom’s: Knowledge 16. Structural dependence exists when it is possible to make changes in the file structure without affecting the application program’s ability to access the data. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.21 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Comprehension 17. Data anomaly is defined as the condition in which all of the data in the database are consistent with the real-world events and conditions. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 19 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Knowledge 18. One disadvantage of a database system over previous data management approaches is increased costs. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.28 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database System Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems KEYWORDS:

Bloom's: Knowledge

19. An advantage of database systems is that you needn't perform frequent updates and apply latest patches. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.28 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Database System KEYWORDS: Bloom's: Comprehension 20. One advantage of a database system over previous data management approaches is that the database system is considerably less complex. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 28 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database System KEYWORDS: Bloom's: Comprehension 21. _____ is the result of revealing the meaning of raw facts. a. End-user data b. An encoded sample c. An encrypted bit d. Information ANSWER: d POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data versus Information KEYWORDS: Bloom's: Knowledge 22. _____ is the body of information and facts about a specific subject. a. Validation b. A format c. Knowledge d. A database ANSWER: c POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems DIFFICULTY: Easy REFERENCES: REF: p.5 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data versus Information KEYWORDS: Bloom's: Knowledge 23. Accurate, relevant, and timely information is the key to ____. a. data management b. good decision making c. knowledge d. understanding ANSWER: b POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.5 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data versus Information KEYWORDS: Bloom's: Comprehension 24. End-user data is _____. a. knowledge about the end users b. raw facts of interest to the end user c. information about a specific subject d. accurate, relevant and timely information ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: REG: p. 6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 25. _____ provide a description of the data characteristics and the set of relationships that link the data found within the database. a. Queries b. End-user data c. Metadata d. Schemas ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 26. _____ serve as the intermediary between the user and the database.

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Chapter 01: Database Systems a. DBMSs b. Metadata c. End-user data d. Programming languages ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 27. The database structure in a DBMS is stored as a _____. a. single file b. collection of files c. set of key/value pairs d. collection of queries ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 28. A(n) _____ might be written by a programmer or it might be created through a DBMS utility program. a. query b. operating system c. database management system d. application ANSWER: d POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 29. _____ exists when different versions of the same data appear in different places. a. Data inconsistency b. Poor data security c. Structural dependence d. Conceptual dependence ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 7 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems TOPICS: KEYWORDS:

Introducing the Database Bloom's: Knowledge

30. The response of the DBMS to a query is the ___________ a. ad hoc query b. ad hoc response c. query result set d. integrated view of the data ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 7 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 31. A(n) _____ database is used by an organization and supports many users across many departments. a. desktop b. workgroup c. enterprise d. transactional ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 8 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 32. A(n) _____ database supports a relatively small number of users (usually fewer than 50) or a specific department within an organization. a. desktop b. workgroup c. enterprise d. transactional ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.8 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 33. A workgroup database is a(n) _____ database. a. single-user b. multiuser c. desktop d. distributed ANSWER: b POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems DIFFICULTY: Easy REFERENCES: REF: p. 8 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 34. A desktop database is a _____ database. a. single-user b. multiuser c. workgroup d. distributed ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 8 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 35. Data warehouse contains historical data obtained from the _____. a. operational databases b. desktop database c. enterprise databases d. workgroup databases ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 9 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 36. _____ data exist in the format in which they were collected. a. Structured b. Semistructured c. Unstructured d. Historical ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 9 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 37. _____ data exist in a format that does not lend itself to processing that yields information.

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Chapter 01: Database Systems a. Structured b. Semistructured c. Unstructured d. Historical ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 9 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 38. _____ are the result of formatting disorganized data in order to facilitate storage, use and generation of information. a. Structured data b. Raw data c. Unstructured data d. Obsolete data ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 9 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 39. Most data that can be encountered are best classified as _____. a. structured b. semistructured c. unstructured d. historical ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 10 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 40. An XML database supports the storage and management of _____ XML data. a. structured b. multistructured c. fullystructured d. semistructured ANSWER: d POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 10 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems TOPICS: KEYWORDS:

Introducing the Database Bloom's: Knowledge

41. The organization of data within folders in a manual file system is determined by _______. a. its date of creation b. its expected use c. the title of the documents in the folder d. the data processing specialist ANSWER: b POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 14 LEARNING OBJECTIVES: DATA.CORO.15.LO1-5 - LO1-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Evolution of File System Data Processing KEYWORDS: Bloom's: Comprehension 42. A _____ is a logically connected set of one or more fields that describes a person, place, or thing. a. database b. column c. record d. file ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 15 LEARNING OBJECTIVES: DATA.CORO.15.LO1-5 - LO1-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Evolution of File System Data Processing KEYWORDS: Bloom's: Knowledge 43. A _____ is a collection of related records. a. schema b. field c. column d. file ANSWER: d POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 15 LEARNING OBJECTIVES: DATA.CORO.15.LO1-5 - LO1-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Evolution of File System Data Processing KEYWORDS: Bloom's: Knowledge 44. A _____ is a character or group of characters that has a specific meaning. a. database b. field c. record d. file ANSWER: b POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems DIFFICULTY: Easy REFERENCES: REF: p. 15 LEARNING OBJECTIVES: DATA.CORO.15.LO1-5 - LO1-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Evolution of File System Data Processing KEYWORDS: Bloom's: Knowledge 45. Which of the following is true of spreadsheet applications? a. They provide enhanced security and robust data sharing features. c. They are a better alternative to databases.

b. They do not allow manipulation of data once entered. d. They enhance the user's ability to understand the data.

ANSWER: d POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 17 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Evolution of File System Data Processing KEYWORDS: Bloom's: Comprehension 46. Which of the following refers to the situation where different versions of the same data are stored at different places because they weren’t updated consistently? a. Data query b. Data integrity c. Data dictionary d. Data redundancy ANSWER: d POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 20 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Knowledge 47. Data is said to be verifiable if: a. the data always yields consistent results. b. the data cannot be changed or manipulated. c. the data is obtained from trusted sources. d. the data is stored in different places within the database.

ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 20 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Problems with System Data Processing KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems 48. _____ is defined as the condition in which all of the data in the database are consistent with the real-world events and conditions. a. Data integrity b. Data anomaly c. Data ubiquity d. Data quality ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 20 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Knowledge 49. The term _____ refers to an organization of components that define and regulate the collection, storage, management and use of data within a database environment. a. structured data b. transaction c. management system d. database system ANSWER: d POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 22 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Systems KEYWORDS: Bloom's: Comprehension 50. _____ relates to the activities that make the database execute transactions more efficiently in terms of storage and access speed. a. Performance tuning b. Database design c. Query access d. Database management ANSWER: a POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 25 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Systems KEYWORDS: Bloom's: Comprehension 51. _______ refers to a type of database that stores most of its data in RAM rather than in hard disks. a. Integrated databases b. Cloud databases c. Desktop databases d. In-memory databases ANSWER: d POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems DIFFICULTY: Easy REFERENCES: p.30 LEARNING OBJECTIVES: DATA.CORO.15.LO1-8 - LO 1-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Preparing for Your Database Professional Career KEYWORDS: Bloom's: Knowledge 52. _____ is the result of processing raw data to reveal its meaning.

ANSWER: Information POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Versus Information KEYWORDS: Bloom's: Knowledge 53. To reveal meaning, information requires _____.

ANSWER: context POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Versus Information KEYWORDS: Bloom's: Knowledge 54. Raw data must be properly _____ for storage, processing and presentation.

ANSWER: formatted POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Versus Information KEYWORDS: Bloom's: Knowledge 55. Information is produced by processing _____.

ANSWER: data POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems TOPICS: KEYWORDS:

Data Versus Information Bloom's: Knowledge

56. _____ is data about data through which the end-user data are integrated and managed.

ANSWER: Metadata POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 57. A(n) _____ is a collection of programs that manages the database structure and controls access to the data stored in the database.

ANSWER: DBMS (database management system) database management system (DBMS) database management system DBMS POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 58. A(n) _____ is a spur-of-the-moment question.

ANSWER: ad hoc query POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 7 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Comprehension 59. A(n) _____ is a specific request issued to the DBMS for data manipulation.

ANSWER: query POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 7 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems KEYWORDS:

Bloom's: Knowledge

60. _____ databases focus primarily on storing data used to generate information required to make tactical or strategic decisions.

ANSWER: Analytical POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 9 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 61. _____ is a special language used to represent and manipulate data elements in a textual format.

ANSWER: XML (Extensible Markup Language) Extensible Markup Language (XML) Extensible Markup Language XML POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 10 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 62. _____ exists when it is possible to make changes in the data storage characteristics without affecting an application program’s ability to access data.

ANSWER: Data independence POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 19 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Comprehension 63. The term _____ refers to scattered locations storing the same basic data.

ANSWER: islands of information POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 20 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Problems with File System Data Processing Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems KEYWORDS:

Bloom's: Knowledge

64. _____ exists when different and conflicting versions of the same data appear in different places.

ANSWER: Data inconsistency POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 20 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Knowledge 65. _____ exists when the same data are stored unnecessarily at different places.

ANSWER: Data redundancy POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 20 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Knowledge 66. A(n) _____ develops when all required changes in the redundant data are not made successfully.

ANSWER: data anomaly anomaly POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 21 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Knowledge 67. The DBMS uses the _____ to look up the required data component structures and relationships, thus relieving programmers from having to code such complex relationships in each program.

ANSWER: data dictionary POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 25 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Systems KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems 68. _____ relates to activities that make a database operate more efficiently in terms of storage and access speed.

ANSWER: Performance tuning POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 25 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Systems KEYWORDS: Bloom's: Knowledge 69. Describe what metadata are and what value they provide to the database system.

ANSWER: The metadata describe the data characteristics and the set of relationships that links the data found within the database. For example, the metadata component stores information such as the name of each data element, the type of values (numeric, dates, or text) stored on each data element, and whether the data element can be left empty. The metadata provide information that complements and expands the value and use of the data. In short, metadata present a more complete picture of the data in the database. Given the characteristics of metadata, you might hear a database described as a “collection of self-describing data.”

POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Introducing the Database KEYWORDS: Bloom's: Comprehension 70. What are the advantages of having the DBMS between the end user’s applications and the database?

ANSWER: Having a DBMS between the end user’s applications and the database offers some important advantages. First, the DBMS enables the data in the database to be shared among multiple applications or users. Second, the DBMS integrates the many different users’ views of the data into a single all-encompassing data repository.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Introducing the Database KEYWORDS: Bloom's: Comprehension 71. Discuss some considerations when designing a database.

ANSWER: Proper database design requires the designer to identify precisely the database’s expected use. Designing a transactional database emphasizes accurate and consistent data and operational speed. Designing a data warehouse database emphasizes the use of historical and aggregated data. Designing a database to be used in a centralized, single-user environment requires a different approach from that used in the design of a distributed, multiuser database.

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Chapter 01: Database Systems Designing appropriate data repositories of integrated information using the two-dimensional table structures found in most databases is a process of decomposition. The integrated data must be decomposed properly into its constituent parts, with each part stored in its own table.

Further, the relationships between these tables must be carefully considered and implemented so the integrated view of the data can be re-created later as information for the end user. A well-designed database facilitates data management and generates accurate and valuable information. A poorly designed database is likely to become a breeding ground for difficultto-trace errors that may lead to bad decision making—and bad decision making can lead to the failure of an organization. Database design is simply too important to be left to luck.

That’s why college students study database design, why organizations of all types and sizes send personnel to database design seminars, and why database design consultants often make an excellent living.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 14 LEARNING OBJECTIVES: DATA.CORO.15.LO1-4 - LO1-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Why Database Design is Important KEYWORDS: Bloom's: Comprehension 72. What are some reasons for studying file systems?

ANSWER: A brief explanation of the evolution of file system data processing can be helpful in understanding the data access limitations that databases attempt to overcome. Understanding these limitations is relevant to database designers and developers because database technologies do not make these problems magically disappear—database technologies simply make it easier to create solutions that avoid these problems. Creating database designs that avoid the pitfalls of earlier systems requires that the designer understand these problems and how to avoid them; otherwise, the database technologies are no better (and are potentially even worse!) than the technologies and techniques they have replaced.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 14 LEARNING OBJECTIVES: DATA.CORO.15.LO1-5 - LO1-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Why Database Design is Important KEYWORDS: Bloom's: Comprehension 73. What are the problems associated with file systems? How do they challenge the types of information that can be created from the data as well as the accuracy of the information?

ANSWER: The following problems associated with file systems, whether created by DP specialists or through a series of spread-sheets, severely challenge the types of information that can be created from the data as well as the accuracy of the information:

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Lengthy development times. The first and most glaring problem with the file system approach is that even the simplest data-retrieval task requires extensive programming. With the older file systems, programmers had to specify what must be done and how to do it.

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Chapter 01: Database Systems

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Difficulty of getting quick answers. The need to write programs to produce even the simplest reports makes ad hoc queries impossible. Harried DP specialists who worked with mature file systems often received numerous requests for new reports.

They were often forced to say that the report will be ready “next week” or even “next month.” If you need the information now, getting it next week or next month will not serve your information needs.

Complex system administration. System administration becomes more difficult as the number of files in the system expands. Even a simple file system with a few files requires creating and maintaining several file management programs. Each file must have its own file management programs that allow the user to add, modify, and delete records; to list the file contents; and to generate reports. Because ad hoc queries are not possible, the file reporting programs can multiply quickly. The problem is compounded by the fact that each department in the organization “owns” its data by creating its own files.

Lack of security and limited data sharing. Another fault of a file system data repository is a lack of security and limited data sharing. Data sharing and security are closely related. Sharing data among multiple geographically dispersed users introduces a lot of security risks. In terms of spreadsheet data, while many spreadsheet programs provide rudimentary security options, they are not always used, and even when they are, they are insufficient for robust data sharing among users. In terms of creating data management and reporting programs, security and data-sharing features are difficult to program and consequently are often omitted from a file system environment. Such features include effective password protection, the ability to lock out parts of files or parts of the system itself, and other measures designed to safeguard data confidentiality. Even when an attempt is made to improve system and data security, the security devices tend to be limited in scope and effectiveness.

Extensive programming. Making changes to an existing file structure can be difficult in a file system environment.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 18-19 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Comprehension 74. Describe the five types of users identified in a database system.

ANSWER: 1. System administrators oversee the database system’s general operations.

2. Database administrators, also known as DBAs, manage the DBMS and ensure that the database is functioning properly.

3. Database designers design the database structure. They are, in effect, the database architects. If the database design is poor, even the best application programmers and the most dedicated DBAs cannot produce a useful database environment. Because organizations strive to optimize their data resources, the database designer’s job description has expanded to cover new dimensions and growing responsibilities.

4. System analysts and programmers design and implement the application programs.

They design and create the data-entry screens, reports, and procedures through which Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems end users access and manipulate the database’s data.

5. End users are the people who use the application programs to run the organization’s daily operations. For example, sales clerks, supervisors, managers, and directors are all classified as end users. High-level end users employ the information obtained from the database to make tactical and strategic business decisions.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 23-24 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Systems KEYWORDS: Bloom's: Comprehension 75. What are the disadvantages of database systems?

ANSWER: Although the database system yields considerable advantages over previous data management approaches, database systems do carry significant disadvantages:

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Increased costs. Database systems require sophisticated hardware and software and highly skilled personnel. The cost of maintaining the hardware, software, and personnel required to operate and manage a database system can be substantial.

Training, licensing, and regulation compliance costs are often overlooked when database systems are implemented.

Management complexity. Database systems interface with many different technologies and have a significant impact on a company’s resources and culture.

The changes introduced by the adoption of a database system must be properly managed to ensure that they help advance the company’s objectives. Because database systems hold crucial company data that are accessed from multiple sources, security issues must be assessed constantly.

Maintaining currency. To maximize the efficiency of the database system, you must keep your system cur-rent. Therefore, you must perform frequent updates and apply the latest patches and security measures to all components. Because database technology advances rapidly, personnel training costs tend to be significant.

Vendor dependence. Given the heavy investment in technology and personnel training, companies might be reluctant to change database vendors. As a consequence, vendors are less likely to offer pricing point advantages to existing customers, and those customers might be limited in their choice of database system components.

Frequent upgrade/replacement cycles. DBMS vendors frequently upgrade their products by adding new func-tionality. Such new features often come bundled in new upgrade versions of the software. Some of these ver-sions require hardware upgrades. Not only do the upgrades themselves cost money, it also costs money to train database users and administrators to properly use and manage the new features.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 28 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Systems KEYWORDS: Bloom's: Comprehension 76. Discuss any three functions performed by the DBMS that guarantee the integrity and consistency of the data in the database. (answers may vary) ANSWER: 

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Data dictionary management. The DBMS stores definitions of the data elements and their relationships (metadata) in a data dictionary. In turn, all programs that access the data in the database work through the DBMS. The DBMS uses the data dictionary to look up the required data component structures and relationships, thus relieving you from having to code such complex relationships in each program.

Additionally, any changes made in a database structure are automatically recorded in the data dictionary, thereby freeing you from having to modify all of the programs that access the changed structure. In other words, the DBMS provides data abstraction, and it removes structural and data dependence from the system.

Data storage management. The DBMS creates and manages the complex structures required for data stor-age, thus relieving you from the difficult task of defining and programming the physical data characteristics. A modern DBMS provides storage not only for the data but for related data-entry forms or screen definitions, report definitions, data validation rules, procedural code, structures to handle video and picture formats, and so on. Data storage management is also important for database performance tuning. Performance tuning relates to the activities that make the database perform more efficiently in terms of storage and access speed. Although the user sees the database as a single data storage unit, the DBMS actually stores the database in multiple physical data files. Such data files may even be stored on different storage media. Therefore, the DBMS doesn’t have to wait for one disk request to finish before the next one starts. In other words, the DBMS can fulfill database requests concurrently.

Data transformation and presentation. The DBMS transforms entered data to conform to required data structures. The DBMS relieves you of the chore of distinguishing between the logical data format and the physical data format. That is, the DBMS formats the physically retrieved data to make it conform to the user’s logical expectations.

Security management. The DBMS creates a security system that enforces user security and data privacy. Security rules determine which users can access the database, which data items each user can access, and which data operations (read, add, delete, or modify) the user can perform. This is especially important in multiuser database systems.

POINTS: 1 DIFFICULTY: Moderate LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic KEYWORDS: Bloom's: Comprehension

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Chapter 02: Data Models 1. A data model is usually graphical. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 36 LEARNING OBJECTIVES: DATA.CORO.15.LO2-1 - LO2-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 2. An implementation-ready data model needn't necessarily contain enforceable rules to guarantee the integrity of the data. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 36 LEARNING OBJECTIVES: DATA.CORO.15.LO2-1 - LO2-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Comprehension 3. An implementation-ready data model should contain a description of the data structure that will store the end-user data. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 36 LEARNING OBJECTIVES: DATA.CORO.15.LO2-1 - LO2-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 4. Within the database environment, a data model represents data structures with the purpose of supporting a specific problem domain. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 36 Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models LEARNING OBJECTIVES: DATA.CORO.15.LO2-1 - LO2-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 5. Even when a good database blueprint is available, an applications programmer’s view of the data should match that of the manager and the end user. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 37 LEARNING OBJECTIVES: DATA.CORO.15.LO2-2 - LO2-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Importance of Data Models KEYWORDS: Bloom's: Comprehension 6. In the context of data models, an entity is a person, place, thing, or event about which data will be collected and stored. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 37-38 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Model Basic Building Blocks KEYWORDS: Bloom's: Knowledge 7. Database designers determine the data and information that yield the required understanding of the entire business. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 39 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Business Rules KEYWORDS: Bloom's: Knowledge 8. Business rules apply to businesses and government groups, but not to other types of organizations such as religious groups or research laboratories. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 39 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Business Rules KEYWORDS: Bloom's: Comprehension 9. Business rules must be rendered in writing. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 39 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Communication - Communication KEYWORDS: Bloom's: Knowledge 10. A disadvantage of the relational database management system (RDBMS) is its inability to hide the complexities of the relational model from the user. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 43 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Comprehension 11. In an SQL-based relational database, each table is dependent on every other table. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 45 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models KEYWORDS:

Bloom's: Knowledge

12. In an SQL-based relational database, rows in different tables are related based on common values in common attributes. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 45 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 13. Each row in the relational table is known as an entity instance or entity occurrence in the ER model. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 46 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 14. M:N relationships are not appropriate in a relational model. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 47 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 15. In Chen notation, entities and relationships have to be oriented horizontally; not vertically. a. True b. False ANSWER: False Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 47 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 16. Today, most relational database products can be classified as object/relational. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 50 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 17. The network model has structural level dependence. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 56 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 18. The external model is the representation of the database as “seen” by the DBMS. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 60 LEARNING OBJECTIVES: DATA.CORO.15.LO2-6 - LO2-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Degrees of Data Abstraction KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models 19. The hierarchical model is software-independent. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 62 LEARNING OBJECTIVES: DATA.CORO.15.LO2-6 - LO2-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Degrees of Data Abstraction KEYWORDS: Bloom's: Knowledge 20. The relational model is hardware-dependent and software-independent. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 62 LEARNING OBJECTIVES: DATA.CORO.15.LO2-6 - LO2-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Degrees of Data Abstraction KEYWORDS: Bloom's: Knowledge 21. A(n) _____’s main function is to help one understand the complexities of the real-world environment. a. node b. entity c. model d. database ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 36 LEARNING OBJECTIVES: DATA.CORO.15.LO2-1 - LO2-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 22. A(n) _____ is anything about which data are to be collected and stored. a. attribute b. entity c. relationship d. constraint ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 37 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Model Basic Building Blocks KEYWORDS: Bloom's: Knowledge 23. A(n) _____ represents a particular type of object in the real world. a. attribute b. entity c. relationship d. node ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 38 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 24. A(n) _____ is the equivalent of a field in a file system. a. attribute b. entity c. relationship d. constraint ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 38 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 25. A(n) _____ is bidirectional. a. attribute b. entity c. relationship d. constraint ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 38 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 26. A(n) _____ is a restriction placed on the data. a. attribute b. entity c. relationship d. constraint ANSWER: d Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 38 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 27. _____ are important because they help to ensure data integrity. a. Attributes b. Entities c. Relationships d. Constraints ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 38 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 28. _____ are normally expressed in the form of rules. a. Attributes b. Entities c. Relationships d. Constraints ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 38 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 29. Students and classes have a _____ relationship. a. one-to-one b. one-to-many c. many-to-one d. many-to-many ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 38 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models 30. From a database point of view, the collection of data becomes meaningful only when it reflects properly defined _____. a. business rules b. business norms c. business goals d. business plans ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 39 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Rules KEYWORDS: Bloom's: Comprehension 31. Which of the following is true of business rules? a. They allow the designer to set company policies with regard to data. b. They allow the designer to develop business processes. c. They can serve as a communication tool between the users and designers. d. They provide a framework for the company’s self-actualization.

ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REG: p. 40 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Rules KEYWORDS: Bloom's: Comprehension 32. A noun in a business rule translates to a(n) _____ in the data model. a. entity b. attribute c. relationship d. constraint ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 40 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Business Rules KEYWORDS: Bloom's: Knowledge 33. A verb associating two nouns in a business rule translates to a(n) _____ in the data model. a. entity b. attribute c. relationship d. constraint ANSWER: c Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 40 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Business Rules KEYWORDS: Bloom's: Knowledge 34. In the _____ model, the basic logical structure is represented as an upside-down tree. a. hierarchical b. network c. relational d. entity relationship ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 41 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 35. In the _____ model, each parent can have many children, but each child has only one parent. a. hierarchical b. network c. relational d. entity relationship ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 41 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Comprehension 36. The hierarchical data model was developed in the _____. a. 1960s b. 1970s c. 1980s d. 1990s ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 41 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models 37. In the _____ model, the user perceives the database as a collection of records in 1:M relationships, where each record can have more than one parent. a. hierarchical b. network c. object-oriented d. entity relationship ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 41-42 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 38. The object-oriented data model was developed in the _____. a. 1960s b. 1970s c. 1980s d. 1990s ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 42 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 39. VMS/VSAM is an example of the _____. a. hierarchical model b. file system data model c. relational data model d. XML data model ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 42 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 40. Oracle 11g is an example of the _____. a. hierarchical model b. file system data model c. relational data model d. XML/Hybrid data model ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 42 Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 41. MySQL is an example of the _____. a. hierarchical model b. file system data model c. relational data model d. XML data model ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 42 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 42. A(n) _____ enables a database administrator to describe schema components. a. extensible markup language (XML) b. data definition language (DDL) c. unified modeling language (UML) d. query language ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 42 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 43. The relational data model was developed in the _____. a. 1960s b. 1970s c. 1980s d. 1990s ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 43 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 44. The _____ model was developed to allow designers to use a graphical tool to examine structures rather than describing them with text. a. hierarchical b. network c. object-oriented d. entity relationship Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 45 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 45. A(n) _______ enables a database administrator to describe schema components. a. extensible markup language (XML) b. data definition language (DDL) c. unified modeling language (UML) d. query language ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 46 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 46. The _____ model uses the term connectivity to label the relationship types. a. relational b. network c. object-oriented d. entity relationship ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 45 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 47. The _____ data model is said to be a semantic data model. a. relational b. network c. object-oriented d. entity relationship ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 48 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models 48. The _____ data model uses the concept of inheritance. a. relational b. network c. object-oriented d. entity relationship ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 50 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 49. Which of the following types of HDFS nodes stores all the metadata about a file system? a. Data node b. Client node c. Name node d. Map node ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 52 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 50. Which of the following is true of NoSQL databases? a. They do not support distributed database architectures. b. They are not based on the relational model. c. They are geared toward transaction consistency rather than d. They do not support very large amounts of performance. sparse data.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 53 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Comprehension 51. Which of the following types of HDFS nodes acts as the interface between the user application and the HDFS? a. Data node b. Client node c. Name node d. Map node ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models REFERENCES: REF: p. 53 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 52. NoSQL databases: a. are geared toward transaction consistency; not performance. b. support only small amounts of sparse data. c. are based on the relational model. d. provide fault tolerance.

ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 55 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Comprehension 53. Which of the following is a disadvantage of the hierarchical data model? a. It does not promote data sharing. b. It is not efficient with 1:M relationships. c. It does not promote data integrity. d. It does not have standards.

ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 58 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Comprehension 54. One of the limitations of the _____ model is that there is a lack of standards. a. hierarchical b. network c. relational d. entity relationship ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 58 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 55. The _____ model is the end users’ view of the data environment.

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Chapter 02: Data Models a. abstract b. external c. conceptual d. internal ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 60 LEARNING OBJECTIVES: DATA.CORO.15.LO2-6 - LO2-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 56. An internal _____ refers to a specific representation of an internal model, using the database constructs supported by the chosen database. a. tuple b. schema c. object d. value ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 62 LEARNING OBJECTIVES: DATA.CORO.15.LO2-6 - LO2-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Degrees of Data Abstraction KEYWORDS: Bloom's: Knowledge 57. A(n) _____ is a relatively simple representation of more complex real-world data structures.

ANSWER: data model POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 36 LEARNING OBJECTIVES: DATA.CORO.15.LO2-1 - LO2-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data modeling and Data Models KEYWORDS: Bloom's: Knowledge 58. A(n) _____ is a brief, precise, and unambiguous description of a policy, procedure, or principle within a specific organization.

ANSWER: business rule POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 39 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Business Rules KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models 59. A(n) _____ in a hierarchical model is the equivalent of a record in a file system.

ANSWER: segment POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 41 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 60. A(n) _____ is the conceptual organization of an entire database as viewed by a database administrator.

ANSWER: schema POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 42 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 61. A(n) _____ defines the environment in which data can be managed and is used to work with the data in the database.

ANSWER: data manipulation language (DML) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 42 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 62. The relational model’s foundation is a mathematical concept known as a _____.

ANSWER: relation POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 43 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 63. Each row in a relation is called a(n) _____.

ANSWER: tuple POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 43 Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 64. Each column in a relation represents a(n) _____.

ANSWER: attribute POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 43 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 65. Each row in the relational table is known as a(n) _____.

ANSWER: entity instance POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 46 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 66. In _____, a three-pronged symbol represents the “many” side of the relationship.

ANSWER: Crow’s Foot notation POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 46 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 67. A(n) _____ is a collection of similar objects with a shared structure and behavior.

ANSWER: class POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 48 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models 68. In object-oriented terms, a(n) _____ defines an object’s behavior.

ANSWER: method POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 48 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 69. _____ is a language based on OO concepts that describes a set of diagrams and symbols used to graphically model a system.

ANSWER: UML (Unified Modeling Language) Unified Modeling Language (UML) Unified Modeling Language UML POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 48 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 70. The term _____ is used to refer to the task of creating a conceptual data model that could be implemented in any DBMS. ANSWER: logical design POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 62 LEARNING OBJECTIVES: DATA.CORO.15.LO2-6 - LO2-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Degrees of Data Abstraction KEYWORDS: Bloom's: Knowledge 71. The _____ is the representation of a database as “seen” by the DBMS. ANSWER: internal model POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 62 LEARNING OBJECTIVES: DATA.CORO.15.LO2-6 - LO2-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Degrees of Data Abstraction KEYWORDS: Bloom's: Knowledge 72. What components should an implementation-ready data model contain?

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Chapter 02: Data Models ANSWER:

An implementation-ready data model should contain at least the following components: A description of the data structure that will store the end-user data.

A set of enforceable rules to guarantee the integrity of the data.

A data manipulation methodology to support the real-world data transformations.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 36 LEARNING OBJECTIVES: DATA.CORO.15.LO2-1 - LO2-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Comprehension 73. What do business rules require to be effective?

ANSWER: To be effective, business rules must be easy to understand and widely disseminated to ensure that every person in the organization shares a common interpretation of the rules. Business rules describe, in simple language, the main and distinguishing characteristics of the data as viewed by the company.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 39 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Communication - Communication TOPICS: Business Rules KEYWORDS: Bloom's: Comprehension 74. What are the sources of business rules, and what is the database designer’s role with regard to business rules?

ANSWER: The main sources of business rules are company managers, policy makers, department managers, and written documentation such as a company’s procedures, standards, and operations manuals. A faster and more direct source of business rules is direct interviews with end users. Unfortunately, because perceptions differ, end users are sometimes a less reliable source when it comes to specifying business rules. For example, a maintenance department mechanic might believe that any mechanic can initiate a maintenance procedure, when actually only mechanics with inspection authorization can perform such a task. Such a distinction might seem trivial, but it can have major legal consequences. Although end users are crucial contributors to the development of business rules, it pays to verify end-user perceptions. Too often, interviews with several people who perform the same job yield very different perceptions of what the job components are. While such a discovery may point to “management problems,” that general diagnosis does not help the database designer. The database designer’s job is to reconcile such differences and verify the results of the reconciliation to ensure that the business rules are appropriate and accurate.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 39-40 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Rules Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models KEYWORDS:

Bloom's: Comprehension

75. Describe the three parts involved in any SQL-based relational database application.

ANSWER: From an end-user perspective, any SQL-based relational database application involves three parts: a user interface, a set of tables stored in the database, and the SQL “engine.” Each of these parts is explained below.

1. The end-user interface. Basically, the interface allows the end user to interact with the data (by automatically generating SQL code). Each interface is a product of the software vendor’s idea of meaningful interaction with the data. You can also design your own customized interface with the help of application generators that are now standard fare in the database software arena.

2. A collection of tables stored in the database. In a relational database, all data are perceived to be stored in tables. The tables simply “present” the data to the end user in a way that is easy to understand. Each table is independent. Rows in different tables are related by common values in common attributes.

3. SQL engine. Largely hidden from the end user, the SQL engine executes all queries, or data requests. Keep in mind that the SQL engine is part of the DBMS software.

The end user uses SQL to create table structures and to perform data access and table maintenance. The SQL engine processes all user requests—largely behind the scenes and without the end user’s knowledge. Hence, SQL is said to be a declarative language that tells what must be done but not how.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: RED: p. 45 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Comprehension

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Chapter 03: The Relational Database Model 1. The practical significance of taking the logical view of a database is that it serves as a reminder of the simple file concept of data storage. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.73 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG:Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Comprehension 2. You can think of a table as a persistent representation of a logical relation. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.74 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 3. The order of the rows and columns is important to the DBMS. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.74 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 4. Character data can contain any character or symbol intended for mathematical manipulation. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.75 Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 5. The row’s range of permissible values is known as its domain. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.75 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 6. The idea of determination is unique to the database environment. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.76 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Comprehension 7. Only a single attribute, not multiple attributes, can define functional dependence. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.76 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 8. If the attribute (B) is functionally dependent on a composite key (A) but not on any subset of that composite key, the attribute (B) is fully functionally dependent on (A). a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.77 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Comprehension 9. A null is created when you press the Enter key or the Tab key to move to the next entry without making a prior entry of any kind. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.78 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 10. Depending on the sophistication of the application development software, nulls can create problems when functions such as COUNT, AVERAGE, and SUM are used. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.78 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 11. RDBMSs enforce integrity rules automatically. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.80 LEARNING OBJECTIVES: DATA.CORO.15.LO3-3 - LO3-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model TOPICS: KEYWORDS:

Integrity Rules Bloom's: Knowledge

12. Relational algebra defines the theoretical way of manipulating table contents using relational operators. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.82 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 13. The SELECT operator yields a vertical subset of a table. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.83 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 14. The DIFFERENCE operator subtracts one table from the other. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.85 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 15. In a natural join, the column on which the join was made occurs twice in the new table. a. True b. False ANSWER: False POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model DIFFICULTY: Difficulty: Easy REFERENCES: p.88 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 16. The DIVIDE operation uses one single-column table (e.g., column “a”) as the divisor and one two-column table (e.g., columns “a” and “b”) as the dividend. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.90 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 17. A data dictionary is sometimes described as “the database designer’s database” because it records the design decisions about tables and their structures. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.91 LEARNING OBJECTIVES: DATA.CORO.15.LO3-5 - LO3-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Dictionary and the System Catalog KEYWORDS: Bloom's: Knowledge 18. The one-to-many (1:M) relationship is easily implemented in the relational model by putting the foreign key of the “1” side in the table of the “many” side as a primary key. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.94 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Comprehension Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model 19. As rare as 1:1 relationships should be, certain conditions absolutely require their use. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.96 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Knowledge 20. Each table in a relational database must have a primary key. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.73 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 21. _____ logic, used extensively in mathematics, provides a framework in which an assertion (statement of fact) can be verified as either true or false. a. Predicate b. Database c. Relational d. Index ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.73 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 22. Each table _____ represents an attribute. a. column b. row c. dimension d. value ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.74 Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 23. Date attributes contain calendar dates stored in a special format known as the _____ date format. a. Epoch b. calendar c. Julian d. logical ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.75 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 24. In the relational model, _____ are important because they are used to ensure that each row in a table is uniquely identifiable. a. relations b. keys c. indexes d. logical structures ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.76 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 25. A _____ is any key that uniquely identifies each row. a. superkey b. special key c. foreign key d. candidate key ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.77 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 26. A _____ key can be described as a minimal superkey, a superkey without any unnecessary attributes. a. secondary b. candidate c. primary d. foreign Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.78 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 27. A _____ is the primary key of one table that has been placed into another table to create a common attribute. a. superkey b. composite primary key c. candidate key d. foreign key ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.79 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 28. A _____ key is defined as a key that is used strictly for data retrieval purposes. a. lookup b. foreign c. candidate d. secondary ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.79 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 29. Referential _____ dictates that the foreign key must contain values that match the primary key in the related table, or must contain null. a. integrity b. uniqueness c. model d. attribute ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.79 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model KEYWORDS:

Bloom's: Knowledge

30. The CUSTOMER table’s primary key is CUS_CODE. The CUSTOMER primary key column has no null entries, and all entries are unique. This is an example of _____ integrity. a. entity b. referential c. relational d. null ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.81 LEARNING OBJECTIVES: DATA.CORO.15.LO3-3 - LO3-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Comprehension 31. The _____ constraint can be placed on a column to ensure that every row in the table has a value for that column. a. UNIQUE b. NOT NULL c. VALUE d. EMPTY ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.81 LEARNING OBJECTIVES: DATA.CORO.15.LO3-3 - LO3-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 32. To be considered minimally relational, the DBMS must support the key relational operators _____, PROJECT, and JOIN. a. INTERSECT b. UNION c. DIFFERENCE d. SELECT ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.82 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 33. _____, also known as RESTRICT, yields values for all rows found in a table that satisfy a given condition. a. INTERSECT b. UNION c. DIFFERENCE d. SELECT ANSWER: d POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model DIFFICULTY: Difficulty: Easy REFERENCES: p.83 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 34. _____ returns only the attributes requested, in the order in which they are requested. a. PROJECT b. SELECT c. UNION d. DIFFERENCE ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.83 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 35. When two or more tables share the same number of columns, and when their corresponding columns share the same or compatible domains, they are said to be _____. a. intersect-compatible b. union-compatible c. difference-compatible d. select-compatible ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.84 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 36. A(n) _____ join links tables by selecting only the rows with common values in their common attribute(s). a. attribute b. unique c. foreign d. natural ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.87 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 37. _____ are especially useful when you are trying to determine what values in related tables cause referential integrity Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model problems. a. Inner joins b. Outer joins c. Equijoins d. Theta joins ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.89 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's Knowledge 38. A(n) _____ only returns matched records from the tables that are being joined. a. outer join b. inner join c. equijoin d. theta join ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.89 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 39. A _____ contains at least all of the attribute names and characteristics for each table in the system. a. data dictionary b. relational schema c. logical schema d. database ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.91 LEARNING OBJECTIVES: DATA.CORO.15.LO3-5 - LO3-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Data Dictionary and the System Catalog KEYWORDS: Bloom's: Knowledge 40. The _____ is actually a system-created database whose tables store the user/designer-created database characteristics and contents. a. database tuple b. systematic database c. unique index d. system catalog ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.91 Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model LEARNING OBJECTIVES: DATA.CORO.15.LO3-5 - LO3-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Dictionary and the System Catalog KEYWORDS: Bloom's: Knowledge 41. In a database context, the word _____ indicates the use of the same attribute name to label different attributes. a. redundancy b. homonym c. duplicate d. synonym ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.91 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Data Dictionary and the System Catalog KEYWORDS: Bloom's: Comprehension 42. In a database context, a(n) _____ indicates the use of different names to describe the same attribute. a. entity b. duplicate c. synonym d. homonym ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.93 LEARNING OBJECTIVES: DATA.CORO.15.LO3-5 - LO3-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Dictionary and the System Catalog KEYWORDS: Bloom's: Knowledge 43. The _____ relationship is the “relational model ideal.” a. 1:1 b. 1:M c. M:1 d. M:N ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.93 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Knowledge 44. The _____ relationship should be rare in any relational database design. a. 1:1 b. 1:M c. M:1 d. M:N Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.93 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Knowledge 45. _____ relationships can be implemented by creating a new entity in 1:M relationships with the original entities. a. 1:N b. M:1 c. M:N d. 1:1 ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.93 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Knowledge 46. Another name for a composite entity is a(n) _____ entity. a. bridge b. linked c. directive d. associative ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.98 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Knowledge 47. A(n) _____ is an orderly arrangement used to logically access rows in a table. a. primary rule b. superkey c. relationship d. index ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.103 LEARNING OBJECTIVES: DATA.CORO.15.LO3-8 - LO3-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Indexes KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model 48. When you define a table’s primary key, the DBMS automatically creates a(n) _____ index on the primary key column(s) you declared. a. key b. composite c. unique d. primary ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.104 LEARNING OBJECTIVES: DATA.CORO.15.LO3-8 - LO3-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes KEYWORDS: Bloom's: Knowledge 49. According to Codd’s _____ rule of relational database, "Application programs and ad hoc facilities are logically unaffected when changes are made to the table structures that preserve the original table values (changing order of columns or inserting columns)." a. nonsubversion b. logical data independence c. comprehensive data sublanguage d. integrity independence ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.105 LEARNING OBJECTIVES: DATA.CORO.15.LO3-9 - LO3-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Codd's Relational Database Rules KEYWORDS: Bloom's: Knowledge 50. A table is also called a(n) _____ because the relational model’s creator, E. F. Codd, used the two terms as synonyms.

ANSWER: relation POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.74 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 51. In a relational table, each column has a specific range of values known as the _____ domain.

ANSWER: attribute POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.74 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model TOPICS: KEYWORDS:

A Logical View of Data Bloom's: Knowledge

52. In a relational model, _____ are also used to establish relationships among tables and to ensure the integrity of the data.

ANSWER: keys POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.76 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Knowledge 53. A primary key is a(n) _____ key chosen to be the primary means by which rows of a table are uniquely identified.

ANSWER: candidate POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.78 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 54. To avoid nulls, some designers use special codes, known as _____, to indicate the absence of some value.

ANSWER: flags POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.81 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Integrity Rules KEYWORDS: Bloom's: Knowledge 55. The relational operators have the property of _____; that is, the use of relational algebra operators on existing relations (tables) produces new relations.

ANSWER: closure POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.83 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model 56. PRODUCT yields all possible pairs of rows from two tables, also known as the _____ product.

ANSWER: Cartesian POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.86 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Comprehension 57. _____ is the real power behind the relational database, allowing the use of independent tables linked by common attributes.

ANSWER: JOIN POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.87 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 58. A(n) _____ links tables on the basis of an equality condition that compares specified columns of each table.

ANSWER: equijoin POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.89 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 59. A(n) ______ provides a detailed description of all tables found within the user/designer-created database.

ANSWER: data dictionary POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.91 LEARNING OBJECTIVES: DATA.CORO.15.LO3-5 - LO3-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Data Dictionary and the System Catalog KEYWORDS: Bloom's: Knowledge 60. The _____ catalog can be described as a detailed system data dictionary that describes all objects within the database, including data about table names, the table’s creator and creation date, the number of columns in each table, the data type corresponding to each column, index filenames, index creators, authorized users, and access privileges.

ANSWER: system Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.91 LEARNING OBJECTIVES: DATA.CORO.15.LO3-5 - LO3-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Dictionary and the System Catalog KEYWORDS: Bloom's: Knowledge 61. The _____ relationship is the relational database norm.

ANSWER: 1:M POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.93 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Knowledge 62. _____ relationships cannot be implemented as such in the relational model.

ANSWER: M:N POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.93 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Comprehension 63. If one department chair—a professor—can chair only one department, and one department can have only one department chair. The entities PROFESSOR and DEPARTMENT exhibit a(n) _____ relationship.

ANSWER: 1:1 POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.95 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Application 64. One characteristic of generalization hierarchies is that they are implemented as _____ relationships.

ANSWER: 1:1 POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.96 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Comprehension 65. The proper use of _____ keys is crucial to controlling data redundancy.

ANSWER: foreign POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.101 LEARNING OBJECTIVES: DATA.CORO.15.LO3-7 - LO3-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Redundancy Revisited KEYWORDS: Bloom's: Knowledge 66. Proper data _____ design requires carefully defined and controlled data redundancies to function properly.

ANSWER: warehousing POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.101 LEARNING OBJECTIVES: DATA.CORO.15.LO3-7 - LO3-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Redundancy Revisited KEYWORDS: Bloom's: Knowledge 67. A(n) _____ index is an index in which the index key can have only one pointer value (row) associated with it.

ANSWER: unique POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.104 LEARNING OBJECTIVES: DATA.CORO.15.LO3-8 - LO3-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Indexes KEYWORDS: Bloom's: Knowledge 68. An index key can have multiple _____ (a composite index).

ANSWER: attributes POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.104 LEARNING OBJECTIVES: DATA.CORO.15.LO3-8 - LO3-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Indexes KEYWORDS: Bloom's: Knowledge 69. Dr. Codd’s _____ rule of relational database states that every value in a table is guaranteed to be accessible through a Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model combination of table name, primary key value, and column name.

ANSWER: Guaranteed Access POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.105 LEARNING OBJECTIVES: DATA.CORO.15.LO3-9 - LO3-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Codd's Relational Database Rules KEYWORDS: Bloom's: Knowledge 70. What is a key and how is it important in a relational model?

ANSWER: In a relational model, keys are important because they are used to ensure that each row in a table is uniquely identifiable. They are also used to establish relationships among tables and to ensure the integrity of the data. A key consists of one or more attributes that determine other attributes. For example, an invoice number identifies all of the invoice attributes, such as the invoice date and the customer name.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.76 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Comprehension 71. Define entity integrity. What are the two requirements to ensure entity integrity?

ANSWER: Entity integrity is the condition in which each row (entity instance) in the table has its own unique identity. To ensure entity integrity, the primary key has two requirements: (1) all of the values in the primary key must be unique.

(2) no key attribute in the primary key can contain a null.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.78 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Comprehension 72. Describe the use of null values in a database.

ANSWER: Null values are problematic in a relational model. A null is the absence of any data value, and it is never allowed in any part of the primary key. From a theoretical perspective, it can be argued that a table that contains a null is not properly a relational table at all. From a practical perspective, however, some nulls cannot be reasonably avoided. For example, not all students have a middle initial. As a general rule, nulls should be avoided as much as reasonably possible. In fact, an abundance of nulls is often a sign of a poor design. Also, nulls should be avoided in the database because their meaning is not always identifiable. For example, a null could represent: • An unknown attribute value.

Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model • A known, but missing, attribute value.

• A “not applicable” condition.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.78 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Comprehension 73. Describe the use of the INTERSECT operator.

ANSWER: INTERSECT yields only the rows that appear in both tables. As with UNION, the tables must be union-compatible to yield valid results. For example, you cannot use INTERSECT if one of the attributes is numeric and one is character-based. For the rows to be considered the same in both tables and appear in the result of the INTERSECT, the entire rows must be exact duplicates.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.85 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Comprehension 74. Define an index. Explain the role of indexes in a relational database.

ANSWER: An index is an orderly arrangement used to logically access rows in a table. From a conceptual point of view, an index is composed of an index key and a set of pointers. The index key is, in effect, the index’s reference point. More formally, an index is an ordered arrangement of keys and pointers. Each key points to the location of the data identified by the key. DBMSs use indexes for many different purposes. An index can be used to retrieve data more efficiently. Indexes can also be used by a DBMS to retrieve data ordered by a specific attribute or attributes. For example, creating an index on a customer’s last name will allow you to retrieve the customer data alphabetically by the customer’s last name.

Also, an index key can be composed of one or more attributes. Indexes play an important role in DBMSs for the implementation of primary keys. When you define a table’s primary key, the DBMS automatically creates a unique index on the primary key column(s) you declared.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.103-104 LEARNING OBJECTIVES: DATA.CORO.15.LO3-8 - LO3-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Indexes KEYWORDS: Bloom's: Comprehension

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Chapter 04: Entity Relationship (ER) Modeling 1. The entity relationship model (ERM) is dependent on the database type. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 2. The Crow’s Foot notation is less implementation-oriented than the Chen notation. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 3. An entity in the entity relationship model corresponds to a table in the relational environment. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 4. In the entity relationship model, a table row corresponds to an entity instance. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 5. In the Chen and Crow’s Foot notations, an entity is represented with a rectangle containing the entity’s name. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 6. In the original Chen notation, each attribute is represented by an oval with the attribute name connected to an entity rectangle with a line. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 7. Software vendors have adopted the Chen representation because of its compact representation. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 119 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 8. A composite identifier is a primary key composed of more than one attribute. a. True b. False ANSWER: True Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 120 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 9. The Crow's Foot notation easily identifies multivalued attributes. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 121 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 10. Composite attributes make it easier to facilitate detailed queries. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 121 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 11. Connectivities and cardinalities are established by concise statements known as business rules. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 126 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling 12. In Chen notation, there is no way to represent cardinality. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 126 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 13. In implementation terms, an entity is existence-dependent if it has a mandatory primary key. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 126 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 14. A weak relationship exists if the primary key of the related entity contains at least one primary key component of the parent entity. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 127 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 15. A weak entity has a primary key that is partially or totally derived from the parent entity in the relationship. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 129 Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 16. In a 1:M relationship, to avoid the possibility of referential integrity errors, the data of the "1" side must be loaded first. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 129 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 17. Relationships between entities always operate in one direction. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 131 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 18. The existence of a mandatory relationship indicates that the minimum cardinality is 0 or 1 for the mandatory entity. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 131 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 19. Unary relationships are common in manufacturing industries. a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 136 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 20. Referential integrity and participation are both bidirectional, meaning that they must be addressed in both directions along a relationship. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 137 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 21. To implement a small database, a database designer must know the "1" and the "M" sides of each relationship and whether the relationships are mandatory or optional. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 139 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 22. The process of database design is a sequential process. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 140 LEARNING OBJECTIVES: DATA.CORO.15.LO4-2 - LO4-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling TOPICS: KEYWORDS:

Developing an ER Diagram Bloom's: Knowledge

23. The entity relationship diagram (ERD) represents the _____ database as viewed by the end user. a. condensed b. physical c. logical d. conceptual ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 24. The _____ notation of entity-relationship modelling can be used for both conceptual and implementation modelling. a. Bachman b. UML c. Chen d. Crow's Foot ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 25. A(n) _____ is the set of possible values for a given attribute. a. domain b. range c. identifier d. key ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 119 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 26. Ideally, an entity identifier is composed of _____ attribute(s). a. three b. one c. two d. six ANSWER: b POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 120 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 27. A _____ attribute can be further subdivided to yield additional attributes. a. composite b. simple c. single-valued d. multivalued ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 120 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 28. A _____ attribute is one that cannot be subdivided. a. composite b. simple c. single-valued d. multivalued ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 121 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 29. The conceptual model can handle _____ relationships and multivalued attributes. a. 1:1 b. M:N c. 1:M d. 1:N ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 122 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 30. A derived attribute is indicated in the Chen notation by a _____ that connects the attribute and an entity.

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Chapter 04: Entity Relationship (ER) Modeling a. single line b. dashed line c. double dashed line d. double line ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 123 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 31. The decision to store _____ attributes in database tables depends on the processing requirements and the constraints placed on a particular application. a. multivalued b. derived c. single-valued d. composite ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 123-124 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 32. A relationship is an association between _____. a. objects b. entities c. databases d. fields ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 124 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 33. _____ expresses the minimum and maximum number of entity occurrences associated with one occurrence of the related entity. a. Connectivity b. Relationship c. Dependence d. Cardinality ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 125 Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 34. In the entity relationship diagram (ERD), cardinality is indicated using the _____ notation, where max is the maximum number of associated entities and min represents the minimum number of associated entities. a. (max, min) b. (min, max) c. [min ... max] d. {min|max} ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 125 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 35. When the specific cardinalities are not included on the diagram in Crow's Foot notation, cardinality is implied by the use of _____. a. symbols b. attributes c. images d. tables ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF:p. 125 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 36. Knowing the minimum and maximum number of _____ occurrences is very helpful at the application software level. a. object b. attribute c. data d. entity ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 125 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 37. An entity is said to be _____-dependent if it can exist in the database only when it is associated with another related entity occurrence.

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Chapter 04: Entity Relationship (ER) Modeling a. existence b. relationship c. business d. data ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 126 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 38. If an entity can exist apart from all of its related entities, then it is existence-independent, and it is referred to as a(n) _____ entity. a. weak b. alone c. unary d. strong ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 126 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 39. A _____ entity has a primary key that is partially or totally derived from the parent entity in the relationship. a. strong b. weak c. business d. child ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 129 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 40. The existence of a(n) _____ entity indicates that its minimum cardinality is zero. a. ternary b. optional c. strong d. weak ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 131 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 41. A _____ relationship exists when an association is maintained within a single entity. a. unary b. ternary c. strong d. weak ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 134 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 42. A _____ relationship exists when three entities are associated. a. unary b. strong c. ternary d. weak ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 134 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 43. If an employee within an EMPLOYEE entity has a relationship with itself, that relationship is known as a _____ relationship. a. self b. self-referring c. looping d. recursive ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 135 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 44. To simplify the conceptual design, most higher-order relationships are decomposed into appropriate equivalent _____ relationships whenever possible. a. unary b. binary c. strong d. weak Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 135 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 45. The entity relationship model uses the associative entity to represent a(n) _____ relationship between two or more entities. a. M:N b. 1:M c. N:1 d. M:1 ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 139 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 46. When using the Crow's Foot notation, the associative entity is indicated by _____ relationship lines between the parents and the associative entity. a. dotted b. double c. triple d. solid ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 139 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 47. The first step in building an entity-relationship diagram (ERD) is _____. a. developing the initial ERD b. creating a detailed narrative of the organization’s description of operations c. identifying the attributes and primary keys that adequately describe the entities d. identifying the business rules based on the description of operations ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 140 Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling LEARNING OBJECTIVES: DATA.CORO.15.LO4-2 - LO4-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Developing an ER Diagram KEYWORDS: Bloom's: Comprehension 48. The Crow’s foot symbol with two vertical parallel lines indicates _____ cardinality. a. (0,N) b. (1,N) c. (1,1) d. (0,1) ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 141 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Developing an ER Diagram KEYWORDS: Bloom's: Knowledge 49. If Tiny College has some departments that are classified as “research only” and do not offer courses, the COURSE entity of the college database would be _____ the DEPARTMENT entity. a. existence-dependent on b. independent of c. mandatory for d. optional to ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 142 LEARNING OBJECTIVES: DATA.CORO.15.LO4-2 - LO4-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Developing an ER Diagram KEYWORDS: Bloom's: Application 50. In organizations that generate large number of transactions, _____ are often a top priority in database design. a. relationships among entities b. logical design standards c. naming conventions d. high processing speeds ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 148 LEARNING OBJECTIVES: DATA.CORO.15.LO4-3 - LO4-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Developing an ER Diagram KEYWORDS: Bloom's: Knowledge 51. Complex _____ requirements may dictate data transformations, and they may expand the number of entities and attributes within the design. a. information b. entity Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling c. design d. processing ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 149 LEARNING OBJECTIVES: DATA.CORO.15.LO4-3 - LO4-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Developing an ER Diagram KEYWORDS: Bloom's: Knowledge 52. _____ are characteristics of entities.

ANSWER: Attributes POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 53. A(n) _____ attribute is an attribute that must have a value.

ANSWER: required POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 119 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 54. _____ are underlined in an ER diagram.

ANSWER: Identifiers POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 119 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 55. A person’s Social Security number would be an example of a(n) _____ attribute.

ANSWER: single-valued POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling REFERENCES: REF: p. 121 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 56. A(n) _____ attribute need not be physically stored within the database.

ANSWER: derived POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 123 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 57. A relationship _____ is difficult to establish if only one side of the relationship is known.

ANSWER: classification POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 124 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 58. When indicating cardinality, the first value represents the _____ number of associated entities.

ANSWER: minimum POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 125 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 59. The concept of relationship strength is based on how the _____ of a related entity is defined.

ANSWER: primary key POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 126 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling KEYWORDS:

Bloom's: Knowledge

60. A(n) _____ relationship is also known as an identifying relationship.

ANSWER: strong POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 128 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 61. The Crow’s Foot notation depicts the strong relationship with a(n) _____ line between the entities.

ANSWER: solid POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 128 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 62. A weak entity must be _____-dependent.

ANSWER: existence POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 129 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 63. The Chen notation identifies a weak entity by using a double-walled entity _____.

ANSWER: rectangle POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 130 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 64. Participation is _____ if one entity occurrence does not require a corresponding entity occurrence in a particular relationship.

ANSWER: optional Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 131 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 65. In Crow’s Foot notation, an optional relationship between entities is shown by drawing a(n) _____ on the side of the optional entity.

ANSWER: small circle (O) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 131 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 66. Failure to understand the distinction between mandatory and optional _____ in relationships might yield designs in which awkward (and unnecessary) temporary rows (entity instances) must be created just to accommodate the creation of required entities.

ANSWER: participation POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 133 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 67. A relationship _____ indicates the number of entities or participants associated with a relationship.

ANSWER: degree POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 134 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic - Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 68. A(n) _____ process is based on repetition of processes and procedures.

ANSWER: iterative POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling REFERENCES: REF: p. 140 LEARNING OBJECTIVES: DATA.CORO.15.LO4-2 - LO4-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Developing an ER Diagram KEYWORDS: Bloom's: Knowledge 69. Identifying the attributes of entities helps in the better understanding of _____ among entities.

ANSWER: relationships POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 146 LEARNING OBJECTIVES: DATA.CORO.15.LO4-2 - LO4-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Developing and ER Diagram KEYWORDS: Bloom's: Knowledge 70. _____ not only helps database designers to stay on track during the design process, it also enables them to pick up the design thread when the time comes to modify the design.

ANSWER: Documentation POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 152 LEARNING OBJECTIVES: DATA.CORO.15.LO4-3 - LO4-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Developing an ER Diagram KEYWORDS: Bloom's: Knowledge 71. Explain multivalued attributes with the help of examples. How are multivalued attributes indicated in the Chen Entity Relationship model?

ANSWER: Multivalued attributes are attributes that can have many values. For instance, a person may have several college degrees, and a household may have several different phones, each with its own number. Similarly, a car's color may be subdivided into many colors for the roof, body, and trim. In the Chen Entity Relationship model, multivalued attributes are shown by a double line connecting the attribute to the entity.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 121 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 72. What is a weak relationship? Provide an example.

ANSWER: A weak relationship, also known as a non-identifying relationship, exists if the primary key of the related entity does not contain a primary key component of the parent entity. By default, relationships are established by having the primary key of the parent entity appear as Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling a foreign key (FK) on the related entity (also known as the child entity). For example, suppose the 1:M relationship between COURSE and CLASS is defined as: COURSE (CRS_CODE, DEPT_CODE, CRS_DESCRIPTION, CRS_CREDIT) CLASS (CLASS_CODE, CRS_CODE, CLASS_SECTION, CLASS_TIME, ROOM_CODE, PROF_NUM) In this case, a weak relationship exists between COURSE and CLASS because CRS_CODE (the primary key of the parent entity) is only a foreign key in the CLASS entity. In this example, the CLASS primary key did not inherit a primary key component from the COURSE entity.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 127 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 73. Explain mandatory participation in an entity relationship.

ANSWER: Mandatory participation means that one entity occurrence requires a corresponding entity occurrence in a particular relationship. If no optionality symbol is depicted with the entity, the entity is assumed to exist in a mandatory relationship with the related entity. If the mandatory participation is depicted graphically, it is typically shown as a small hash mark across the relationship line, similar to the Crow's Foot depiction of a connectivity of 1. The existence of a mandatory relationship indicates that the minimum cardinality is at least 1 for the mandatory entity.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p.131 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 74. What is a ternary relationship? Provide some business rules examples that specify the need for a ternary or higherorder relationship.

ANSWER: A ternary relationship implies an association among three different entities. Although most relationships are binary, the use of ternary and higher-order relationships does allow the designer some latitude regarding the semantics of a problem. Some business rules examples that specify the need for a ternary relationship are: • A DOCTOR writes one or more PRESCRIPTIONs. • A PATIENT may receive one or more PRESCRIPTIONs. • A DRUG may appear in one or more PRESCRIPTIONs. (Assume that the business rule states that each prescription contains only one drug. In short, if a doctor prescribes more than one drug, a separate prescription must be written for each drug.)

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 135 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 75. Explain recursive relationships with the help of an example.

ANSWER: A recursive relationship is one in which a relationship can exist between occurrences of the same entity set. Such a condition is found within a unary relationship. For example, a 1:M unary relationship can be expressed by "an EMPLOYEE may manage many EMPLOYEEs, and each EMPLOYEE is managed by one EMPLOYEE." Finally, the M:N unary relationship may be expressed by "a COURSE may be a prerequisite to many other COURSEs, and each COURSE may have many other COURSEs as prerequisites."

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 136 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension

Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling 1. The entity supertype contains common characteristics, and the entity subtypes each contain their own unique characteristics. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 171 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 2. Entity supertypes and subtypes are organized in a specialization hierarchy. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 171 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 3. The relationships depicted within the specialization hierarchy are sometimes described in terms of “is-a” relationships. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 171 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 4. Within a specialization hierarchy, a supertype can exist only within the context of a subtype. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 171 Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 5. One important inheritance characteristic is that all entity subtypes inherit their primary key attribute from their supertype. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 172 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 6. A subtype contains attributes that are common to all of its supertypes. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 172 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 7. At the implementation level, the supertype and its subtype(s) depicted in the specialization hierarchy maintain a 1:1 relationship. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 173 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 8. Entity subtypes do not inherit the relationships in which the supertype entity participates. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 173 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 9. In specialization hierarchies with multiple levels of supertype and subtypes, a lower-level subtype can inherit only a few of the attributes and relationships from its upper-level supertypes. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 173 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Comprehension 10. The property of a subtype discriminator enables an entity supertype to inherit the attributes and relationships of the subtype. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 173 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 11. An entity supertype can have disjoint or overlapping entity subtypes. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 173 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 12. Disjoint subtypes are subtypes that contain nonunique subsets of the supertype entity set. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 174 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 13. Overlapping subtypes are subtypes that contain a unique subset of the supertype entity set. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 174 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 14. Implementing overlapping subtypes requires the use of one discriminator attribute for each subtype. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 15. Implementing nonoverlapping subtypes requires the use of one discriminator attribute for each subtype. a. True b. False ANSWER: False Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 16. The completeness constraint can be partial or total. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 17. Specialization is the top-down process of identifying lower-level, more specific entity subtypes from a higher-level entity supertype. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 18. Generalization is based on grouping unique characteristics and relationships of the subtypes. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling 19. An entity cluster is a "virtual" entity type used to represent multiple entities and relationships in the ERD. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-2 - LO5-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Clustering KEYWORDS: Bloom's: Knowledge 20. The function of the primary key is to describe an entity. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 178 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 21. To model time-variant data, one must create a new entity in an M:N relationship with the original entity. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 184 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Comprehension 22. A design trap occurs when a relationship is improperly or incompletely identified and is therefore represented in a way that is not consistent with the real world. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 186 Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 23. Some designs use redundant relationships as a way to simplify the design. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 187 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 24. The extended entity relationship model (EERM) is sometimes referred to as the _____. a. enclosed entity relationship model b. enhanced entity relationship model c. entity clustering relationship model d. extended entity relationship diagram ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 170 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 25. _____ is a generic entity type that is related to one or more entity subtypes. a. A subtype discriminator b. Inheritance c. A specialization hierarchy d. An entity supertype ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 171 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 26. The _____ depicts the arrangement of higher-level entity supertypes (parent entities) and lower-level entity subtypes (child entities). a. subtype discriminator b. inheritance c. specialization hierarchy d. entity supertype Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 171 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 27. Within a specialization hierarchy, every subtype can have _____ supertype(s) to which it is directly related. a. zero b. only one c. one or many d. many ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 171-172 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 28. A specialization hierarchy can have _____ level(s) of supertype/subtype relationships. a. zero b. only one c. one or many d. many ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 172 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 29. The property of _____ enables an entity subtype to inherit the attributes and relationships of the supertype. a. subtype discriminator b. inheritance c. specialization hierarchy d. entity supertype ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 172 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling 30. One important inheritance characteristic is that all entity subtypes inherit their _____ key attribute from their supertype. a. primary b. natural c. foreign d. surrogate ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 172 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 31. At the implementation level, the supertype and its subtype(s) depicted in a specialization hierarchy maintain a(n) _____ relationship. a. self-referencing b. 1:1 c. 1:M d. M:N ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 173 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 32. A(n) _____ is the attribute in the supertype entity that determines to which entity subtype each supertype occurrence is related. a. subtype discriminator b. inheritance discriminator c. specialization hierarchy d. entity supertype ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 173 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 33. The default comparison condition for the subtype discriminator attribute is the _____ comparison. a. nonequality b. less than c. greater than d. equality ANSWER: d POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling DIFFICULTY: Difficulty:Easy REFERENCES: p. 173 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 34. Which of the following is a specialization hierarchy disjoint constraint scenario in case of partial completeness? a. Subtype discriminator can be null. b. Subtype discriminator cannot be null. c. Each supertype occurrence is a member of only one subtype. d. Each supertype occurrence is a member of at least one subtype.

ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Comprehension 35. Which of the following is a specialization hierarchy overlapping constraint scenario in case of partial completeness? a. Subtype sets are unique. b. Supertype has optional subtypes. c. Subtype discriminators cannot be null. d. Subtype does not have a supertype.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Comprehension 36. Nonoverlapping subtypes are subtypes that contain a(n) _____ subset of the supertype entity set. a. entity b. subtypes c. unique d. nonunique ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 174 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling TOPICS: KEYWORDS:

The Extended Entity Relationship Model Bloom's: Knowledge

37. Overlapping subtypes are subtypes that contain _____ subsets of the supertype entity set. a. null b. exclusive c. solitary d. nonunique ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 174 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 38. A total completeness constraint is represented by _____. a. a smaller circle inside a bigger circle b. a rhombus inside a circle c. a double horizontal line under a circle d. a single horizontal line above a circle ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 39. A partial completeness constraint is represented by _____. a. a dotted line b. two dashed lines c. a single horizontal line under a circle d. a double horizontal line over a circle ANSWER: c POINTS: 1 DIFFICULTY: Difficulty:Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 40. In the context of total completeness, in a(n) _____, every supertype occurrence is a member of only one subtype. a. foreign key constraint b. nonunique constraint Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling c. overlapping constraint d. disjoint constraint ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 41. In the context of total completeness, in a(n) _____, every supertype occurrence is a member of at least one subtype. a. unique constraint b. disjoint constraint c. overlapping constraint d. foreign key constraint ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 42. _____ is the bottom-up process of identifying a higher-level, more generic entity supertype from lower-level entity subtypes. a. Specialization b. Generalization c. Normalization d. Total completeness ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 43. The purpose of a(n) _____ is to simplify an entity-relationship diagram (ERD) and thus enhance its readability. a. entity constraint b. entity cluster c. entity interface d. entity discriminator ANSWER: b Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-2 - LO5-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Clustering KEYWORDS: Bloom's: Knowledge 44. An entity cluster is formed by combining multiple interrelated entities into _____. a. a single abstract entity object b. multiple abstract entity objects c. a single entity object d. multiple entity objects ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-2 - LO5-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Clustering KEYWORDS: Bloom's: Knowledge 45. The most important characteristic of an entity is its _____ key, used to uniquely identify each entity instance. a. primary b. natural c. foreign d. surrogate ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 177 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 46. A _____ key is a real-world, generally accepted identifier used to uniquely identify real-world objects. a. primary b. natural c. foreign d. surrogate ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 178 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling 47. If one exists, a data modeler uses a _____ as the primary key of the entity being modeled. a. foreign key b. combination key c. surrogate key d. natural identifier ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 178 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 48. A _____ is a primary key created by a database designer to simplify the identification of entity instances. a. composite key b. compound key c. natural key d. surrogate key ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 180 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 49. A primary key's main function is to uniquely identify a(n) _____ within a table. a. attribute b. entity instance or row c. entity subtype d. natural key or identifier ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 178 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 50. Composite primary keys are particularly useful as identifiers of composite entities, where each primary key combination is allowed only once in the _____ relationship. a. 0:1 b. 1:1 c. 1:M d. M:N ANSWER: d POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling DIFFICULTY: Difficulty: Easy REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 51. The “_____” characteristic of a primary key states that the primary key must uniquely identify each entity instance, must be able to guarantee unique values, and must not contain nulls. a. unique values b. nonintelligent c. preferably single-attribute d. security-complaint ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 52. The “_____” characteristic of a primary key states that the selected primary key must not be composed of any attribute(s) that might be considered a violation. a. unique values b. nonintelligent c. preferably single-attribute d. security-compliant ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 53. According to the “preferably single-attribute” characteristic of a primary key, the primary key: a. must be able to guarantee unique attribute values. b. should have the minimum number of attributes possible. c. should have embedded semantic meaning associated with each attribute. d. must be composed of attributes that are free from security risks or violations.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling TOPICS: KEYWORDS:

Entity Integrity: Selecting Primary Keys Bloom's: Comprehension

54. The “_____” characteristic of a primary key states that the primary key should not have embedded semantic meaning. a. unique values b. nonintelligent c. preferably single-attribute d. security-compliant ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 55. Surrogate primary keys are especially helpful when there is no _____ key. a. primary b. natural c. foreign d. composite ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 181 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 56. _____ keys work with primary keys to properly implement relationships in the relational model. a. Foreign b. Composite c. Natural d. Surrogate ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 182 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 57. The preferred placement for a foreign key when working with a 1:1 relationship is to _____. a. use the same primary key for both entities b. create a bridge entity c. place the foreign key in one of the entities d. place the surrogate key in both entities Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 182 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Comprehension 58. When selecting a foreign key placement for a 1:1 relationship, place the PK of the entity on the mandatory side in the entity on the optional side as a FK, and make the FK mandatory when _____. a. one side is mandatory and the other side is optional b. one side participates in another relationship c. both sides are optional d. both sides are mandatory ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 183 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Comprehension 59. _____ data refer to data whose values change over time and for which one must keep a history of the data changes. a. Time-sensitive b. Time-variant c. Historical d. Change-based ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 183 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 60. A _____ occurs when there is one entity in two 1:M relationships to other entities, thus producing an association among the other entities that is not expressed in the model. a. surrogate primary key b. time-variant data c. design trap d. fan trap ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 186 Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 61. _____ relationships occur when there are multiple relationship paths between related entities. a. Redundant b. Duplicated c. Time-variant d. Supertype ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 187 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 62. The _____ is the result of adding more semantic constructs to the original entity relationship (ER) model.

ANSWER: extended entity relationship model (EERM) EERM (extended entity relationship model) extended entity relationship model EERM POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 170 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 63. Disjoint subtypes are also known as _____ subtypes.

ANSWER: non-overlapping nonoverlapping POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 174 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 64. Subtypes that contain nonunique subsets of the supertype entity set are known as _____ subtypes.

ANSWER: overlapping POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling REFERENCES: p. 174 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 65. The _____ specifies whether each entity supertype occurrence must also be a member of at least one subtype.

ANSWER: completeness constraint POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 66. _____ completeness means that not every supertype occurrence is a member of a subtype.

ANSWER: Partial POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 67. _____ completeness means that every supertype occurrence must be a member of at least one subtype.

ANSWER: Total POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 68. Specialization is based on grouping _____ characteristics and relationships of the subtypes.

ANSWER: unique POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling KEYWORDS:

Bloom's: Knowledge

69. An entity cluster is considered “virtual” or “_____” in the sense that it is not actually an entity in the final ERD. ANSWER: abstract POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-2 - LO5-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Clustering KEYWORDS: Bloom's: Knowledge 70. Usually, a data modeler uses a natural identifier as the _____ of the entity being modeled, assuming that the entity has a natural identifier.

ANSWER: primary key POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 178 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 71. Unique values can be better managed when they are _____, because the database can use internal routines to implement a counter-style attribute that automatically increments values with the addition of each new row.

ANSWER: numeric POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 72. Composite primary keys are particularly useful as identifiers of composite entities, where each primary key combination is allowed _____ in the M:N relationship.

ANSWER: only once once POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling 73. Composite keys are useful as identifiers of weak entities, where the weak entity has a strong _____ relationship with the parent entity.

ANSWER: identifying POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 74. A weak-entity in a strong identifying relationship with a parent entity is normally used to represent a(n) _____ that is represented in the data model as two separate entities.

ANSWER: real-world object POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 180 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 75. One practical advantage of a(n) _____ key is that because it has no intrinsic meaning, values for it can be generated by the DBMS to ensure that unique values are always provided. surrogate ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 180 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 76. While using a surrogate key, one must ensure that the candidate key of the entity in question performs properly through the use of the “_____” and “not null” constraints.

ANSWER: unique index POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 181 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 77. From a data modeling point of view, _____ data refer to data whose values change over time and for which one must keep a history of the data changes.

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Chapter 05: Advanced Data Modeling ANSWER: time-variant POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 183 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 78. A _____ occurs when a relationship is improperly or incompletely identified and is therefore represented in a way that is not consistent with the real world.

ANSWER: design trap POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 186 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 79. The main concern with redundant relationships is that they remain _____ across the model.

ANSWER: consistent POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 187 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Comprehension 80. What do specialization hierarchies do?

ANSWER: Entity supertypes and subtypes are organized in a specialization hierarchy, which depicts the arrangement of higher-level entity supertypes (parent entities) and lower-level entity subtypes (child entities). Specialization hierarchies enable the data model to capture additional semantic content (meaning) into the ERD. A specialization hierarchy provides the means to: • Support attribute inheritance.

• Define a special supertype attribute known as the subtype discriminator.

• Define disjoint/overlapping constraints and complete/partial constraints.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 171-172 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Comprehension Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling 81. Differentiate between specialization and generalization.

ANSWER: Specialization is the top-down process of identifying lower-level, more specific entity subtypes from a higher-level entity supertype. Specialization is based on grouping the unique characteristics and relationships of the subtypes. On the other hand, generalization is the bottom-up process of identifying a higher-level, more generic entity supertype from lowerlevel entity subtypes. Generalization is based on grouping the common characteristics and relationships of the subtypes.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 171 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Comprehension 82. Explain the two criteria that help a designer in determining when to use subtypes and supertypes.

Two criteria help a designer determine when to use subtypes and supertypes: ANSWER: 1. There must be different, identifiable kinds or types of an entity in the user’s environment.

2. The different kinds or types of instances should each have one or more attributes that are unique to that kind or type of instance.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 171 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Comprehension 83. Describe an entity cluster.

ANSWER: An entity cluster is a “virtual” entity type used to represent multiple entities and relationships in the ERD. An entity cluster is formed by combining multiple interrelated entities into a single, abstract entity object. An entity cluster is considered “virtual” or “abstract” in the sense that it is not actually an entity in the final ERD. Instead, it is a temporary entity used to represent multiple entities and relationships, with the purpose of simplifying the ERD and thus enhancing its readability.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-2 - LO5-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Entity Clustering KEYWORDS: Bloom's: Comprehension 84. Explain the “no change over time” characteristic of a primary key.

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Chapter 05: Advanced Data Modeling ANSWER:

If an attribute has semantic meaning, it might be subject to updates, which is why names do not make good primary keys. If a primary key is subject to change, the foreign key values must be updated, thus adding to the database work load. Furthermore, changing a primary key value means that one is basically changing the identity of an entity. In short, the PK should be permanent and unchangeable.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Comprehension 85. In which two cases are composite primary keys particularly useful?

ANSWER: Composite primary keys are particularly useful in two cases: 1. As identifiers of composite entities, in which each primary key combination is allowed only once in the M:N relationship.

2. As identifiers of weak entities, in which the weak entity has a strong identifying relationship with the parent entity.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's:Comprehension

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Chapter 06: Normalization of Database Tables 1. Normalization works through a series of stages called normal forms. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 2. Normalization is a process that is used for changing attributes to entities. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 3. In order to meet performance requirements, portions of the database design may need to be occasionally denormalized. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 4. Denormalization produces a lower normal form. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 5. Normalization is a very important database design ingredient, and the highest level is always the most desirable. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Comprehension 6. Reporting anomalies in a table can cause a multitude of problems for managers and can be fixed through application programming. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 205 LEARNING OBJECTIVES: DATA.CORO.15.LO6-2 - LO6-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Need For Normalization KEYWORDS: Bloom's: Knowledge 7. Data redundancy produces data anomalies. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 206 LEARNING OBJECTIVES: DATA.CORO.15.LO6-2 - LO6-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Need For Normalization KEYWORDS: Bloom's: Knowledge 8. The objective of normalization is to ensure that each table conforms to the concept of well-formed relations. a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 206 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 9. Relational models view data as part of a table or collection of tables in which all key values must be identified. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 208 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 10. Repeating groups must be eliminated by ensuring that each row defines a single entity. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 208 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 11. A dependency of one nonprime attribute on another nonprime attribute is a partial dependency. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 210 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables 12. Dependency diagrams are very helpful in getting a bird’s-eye view of all the relationships among a table’s attributes. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 210 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 13. Dependencies that are based on only a part of a composite primary key are called transitive dependencies. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 210 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 14. All relational tables satisfy the 1NF requirements. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 211 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 15. In the context of partial dependencies, data redundancies occur because every row entry requires duplication of data. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 211 Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 16. Since a partial dependency can exist only if a table's primary key is composed of several attributes, if a table in 1NF has a single-attribute primary key, then the table is automatically in 2NF. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 212 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Normalization Process KEYWORDS: Bloom's: Comprehension 17. It is possible for a table in 2NF to exhibit transitive dependency, where the primary key may rely on one or more nonprime attributes to functionally determine other nonprime attributes. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 212 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Normalization Process KEYWORDS: Bloom's: Comprehension 18. A determinant is any attribute whose value determines other values within a column. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 213 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables 19. Data stored at their highest level of granularity are said to be atomic data. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 216 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving the Design KEYWORDS: Bloom's: Knowledge 20. Atomic attributes are attributes that can be further subdivided. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 216 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving the Design KEYWORDS: Bloom's: Knowledge 21. A table is in BCNF if every determinant in the table is a foreign key. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 226 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Knowledge 22. A table is in fourth normal form if it is in third normal form and has no independent multivalued dependencies. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 226 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Knowledge 23. Normalization represents a micro view of the entities within the ERD. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 226 LEARNING OBJECTIVES: DATA.CORO.15.LO6-7 - LO6-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Normalization and Database Desgn KEYWORDS: Bloom's: Knowledge 24. The combination of normalization and ER modeling yields a useful ERD, whose entities can be translated into appropriate relationship structures. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 229 LEARNING OBJECTIVES: DATA.CORO.15.LO6-7 - LO6-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Normalization and Database Desgn KEYWORDS: Bloom's: Knowledge 25. A good relational DBMS excels at managing denormalized relations. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 229 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Knowledge 26. The advantage of higher processing speed must be carefully weighed against the disadvantage of data anomalies. a. True b. False ANSWER: True Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 229 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Knowledge 27. Normalization purity is often easy to sustain in the modern database environment. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 231 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Knowledge 28. Unnormalized database tables often lead to various data redundancy disasters in production databases. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 232 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Knowledge 29. Attributes should clearly define participation, connectivity, and document cardinality. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 233 LEARNING OBJECTIVES: DATA.CORO.15.LO6-9 - LO6-9 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data-Modeling Checklist KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables 30. Normalization works through a series of stages called normal forms. For most purposes in business database design, _____ stages are as high as you need to go in the normalization process. a. two b. three c. four d. five ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 31. From a structural point of view, 3NF is better than _____. a. 4NF b. 2NF c. 5NF d. 6NF ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 32. From a structural point of view, 2NF is better than _____. a. 1NF b. 3NF c. 4NF d. BCNF ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 33. An attribute that is part of a key is known as a(n) _____ attribute. a. important b. nonprime c. prime d. entity ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 34. A table that displays data redundancies yields _____. a. consistencies b. anomalies c. fewer attributes d. more entities ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 205 LEARNING OBJECTIVES: DATA.CORO.15.LO6-2 - LO6-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Need For Normalization KEYWORDS: Bloom's: Knowledge 35. Data redundancy produces _____. a. slower lookups b. robust design c. efficient storage use d. data integrity problems ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 206 LEARNING OBJECTIVES: DATA.CORO.15.LO6-2 - LO6-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Need For Normalization KEYWORDS: Bloom's: Knowledge 36. Attribute A _____ attribute B if all of the rows in the table that agree in value for attribute A also agree in value for attribute B. a. determines b. derives from c. controls d. owns ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 207 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Normalization Process KEYWORDS: Bloom's: Comprehension 37. Some very specialized applications may require normalization beyond the _____. a. 1NF b. 2NF Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables c. 3NF d. 4NF ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 207 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 38. Of the following normal forms, _____ is mostly of theoretical interest. a. 1NF b. 3NF c. BCNF d. DKNF ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 207 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 39. A table that has all key attributes defined, has no repeating groups, and all its attributes are dependent on the primary key is said to be in _____. a. 1NF b. 2NF c. 3NF d. 4NF ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 207 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 40. A(n) _____ exists when there are functional dependencies such that XY is functionally dependent on WZ, X is functionally dependent on W, and XY is the primary key. a. atomic attribute b. repeating group c. partial dependency d. transitive dependency ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 207 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 41. A(n) _____ exists when there are functional dependencies such that Y is functionally dependent on X, Z is functionally dependent on Y, and X is the primary key. a. partial dependency b. repeating group c. atomic attribute d. transitive dependency ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 208 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 42. A _____ derives its name from the fact that a collection of multiple entries of the same type can exist for any single key attribute occurrence. a. partial dependency b. transitive dependency c. repeating group d. primary key ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 208 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 43. A relational table must not contain a(n) _____. a. entity b. attribute c. relationship d. repeating group ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 208 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 44. In a(n) _____ diagram, the arrows above the attributes indicate all desirable dependencies. a. Chen b. dependency c. functionality d. ER Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 210 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 45. Dependencies based on only a part of a composite primary key are known as _____ dependencies. a. primary b. partial c. incomplete d. composite ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 211 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 46. If a table has multiple candidate keys and one of those candidate keys is a composite key, the table can have _____ based on this composite candidate key even when the primary key chosen is a single attribute. a. Boyce-Codd normal forms b. redundancies c. time-variances d. partial dependencies ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 215 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 47. A table that is in 2NF and contains no transitive dependencies is said to be in _____. a. 1NF b. 2NF c. 3NF d. 4NF ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 215 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables KEYWORDS:

Bloom's: Knowledge

48. Improving _____ leads to more flexible queries. a. atomicity b. normalization c. denormalization d. derived attribute ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 216 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving the Design KEYWORDS: Bloom's: Knowledge 49. An atomic attribute _____. a. cannot exist in a relational table b. cannot be further subdivided c. displays multiplicity d. is always chosen to be a foreign key ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 216 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving the Design KEYWORDS: Bloom's: Knowledge 50. The most likely data type for a surrogate key is _____. a. character b. date c. logical d. numeric ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 216 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving the Design KEYWORDS: Bloom's: Knowledge 51. Granularity refers to _____. a. the size of a table c. the number of attributes represented in a table ANSWER: b POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

b. the level of detail represented by the values in a table's row d. the number of rows in a table

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Chapter 06: Normalization of Database Tables DIFFICULTY: Difficulty: Easy REFERENCES: p. 216 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving the Design KEYWORDS: Bloom's: Knowledge 52. From a system functionality point of view, _____ attribute values can be calculated when they are needed to write reports or invoices. a. derived b. atomic c. granular d. historical ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 217 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving the Design KEYWORDS: Bloom's: Knowledge 53. In a real-world environment, we must strike a balance between design integrity and _____. a. robustness b. flexibility c. uniqueness d. ease of use ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 220 LEARNING OBJECTIVES: DATA.CORO.15.LO6-5 - LO6-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Surrogate Key Considerations KEYWORDS: Bloom's: Knowledge 54. For most business transactional databases, we should normalize relations into _____. a. 1NF b. 2NF c. 3NF d. 6NF ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 220 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Knowledge 55. To generate a surrogate key, Microsoft Access uses a(n) _____ data type.

Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables a. character b. sequence c. AutoNumber d. identity ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 220 LEARNING OBJECTIVES: DATA.CORO.15.LO6-5 - LO6-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Surrogate Key Considerations KEYWORDS: Bloom's: Knowledge 56. A table where every determinant is a candidate key is said to be in _____. a. BCNF b. 2NF c. 1NF d. 4NF ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 221 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Knowledge 57. BCNF can be violated only if the table contains more than one _____ key. a. primary b. candidate c. foreign d. secondary ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 221 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Knowledge 58. When a table contains only one candidate key, _____ are considered to be equivalent. a. the 1NF and the 2NF b. the 3NF and the BCNF c. the 4NF and the 3NF d. the BCNF and the DKNF ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 221 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables TOPICS: KEYWORDS:

Higher-Level Normal Forms Bloom's: Knowledge

59. In a _____ situation, one key determines multiple values of two other attributes and those attributes are independent of each other. a. multivalued dependency b. transitive dependency c. partial dependency d. functional dependency ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 225 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Knowledge 60. A table where all attributes are dependent on the primary key but are independent of each other, and no row contains two or more multivalued facts about an entity is said to be in _____. a. 1NF b. 2NF c. 3NF d. 4NF ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 226 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Knowledge 61. A table is in 4NF if it is in 3NF, and _____. a. all attributes must be dependent on the primary key and must be dependent on each other b. all attributes are unrelated c. it has no multivalued dependencies d. no column contains the same values ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 226 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Knowledge 62. When designing a database, you should _____. a. make sure that entities are in normal form before table structures are created Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables b. create table structures then normalize the database c. only normalize the database when performance problems occur d. consider more important issues such as performance before normalizing ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 226 LEARNING OBJECTIVES: DATA.CORO.15.LO6-7 - LO6-7 NATIONAL STANDARDS: United States - BUSPROG:Analytic TOPICS: Normalization and Database Design KEYWORDS: Bloom's: Comprehension 63. An example of denormalization is using a _____ denormalized table to hold report data. This is required when creating a tabular report in which the columns represent data that are stored in the table as rows. a. transitive b. 3NF c. component d. temporary ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 231 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Knowledge 64. The conflicts between design efficiency, information requirements, and performance are often resolved through _____. a. compromises that include normalization b. conversion from 2NF to 3NF c. compromises that include denormalization d. conversion from 3NF to 4NF ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 231 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Comprehension 65. Data warehouse routinely uses _____ structures in its complex, multilevel, multisource data environment. a. 1NF b. 2NF c. 3NF d. 4NF ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables REFERENCES: p. 232 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Knowledge 66. _____ databases reflect the ever-growing demand for greater scope and depth in the data on which decision support systems increasingly rely. a. Normalized b. Data warehouse c. Temporary d. Report ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 232 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Knowledge 67. If database tables are treated as though they were files in a file system, the _____ never has a chance to demonstrate its superior data-handling capabilities.

ANSWER: RDBMS relational database management system relational database management system (RDBMS) RDBMS (relational database management system) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database and Normalization KEYWORDS: Bloom's: Knowledge 68. The price paid for increased performance through denormalization is a larger amount of _____.

ANSWER: redundancy data redundancy POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic KEYWORDS: Bloom's: Knowledge 69. In order to meet _____ requirements, you may have to denormalize some portions of a database design.

ANSWER: performance POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 70. _____ is a process to help reduce the likelihood of data anomalies.

ANSWER: Normalization POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 71. Any attribute that is at least part of a key is known as a _____.

ANSWER: prime attribute key attribute POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 72. When designing a new database structure based on the business requirements of the end users, the database designer will construct a data model using a technique such as _____.

Crow's Foot notation ERDs ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-2 - LO6-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 73. The _____ is central to a discussion of normalization. concept of keys ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 206 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 74. A dependency based on only a part of a composite primary key is called a _____.

ANSWER: partial dependency POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 210 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 75. The problem with transitive dependencies is that they still yield data _____.

ANSWER: anomalies POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 210 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 76. All relational tables satisfy the _____ requirements.

ANSWER: 1NF first normal form first normal form (1NF) 1NF (first normal form) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 211 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 77. Because a partial dependency can exist only when a table's primary key is composed of several attributes, a table whose _____ key consists of only a single attribute is automatically in 2NF once it is in 1NF. ANSWER: primary POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 212 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables TOPICS: KEYWORDS:

The Normalization Process Bloom's: Knowledge

78. Any attribute whose value determines other values within a row is known as a _____.

ANSWER: determinant POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 213 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 79. An attribute that cannot be further subdivided is said to display _____.

ANSWER: atomicity POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 216 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving The Design KEYWORDS: Bloom's: Knowledge 80. _____ refers to the level of detail represented by the values stored in a table's row.

ANSWER: Granularity POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 216 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving The Design KEYWORDS: Bloom's: Knowledge 81. In a real-world environment, changing granularity requirements might dictate changes in primary key selection, and those changes might ultimately require the use of _____ keys.

ANSWER: surrogate POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 217 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving The Design KEYWORDS: Bloom's: Knowledge 82. It becomes difficult to create a suitable _____ key when the related table uses a composite primary key.

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Chapter 06: Normalization of Database Tables ANSWER: foreign POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 219 LEARNING OBJECTIVES: DATA.CORO.15.LO6-5 - LO6-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Surrogate Key Considerations KEYWORDS: Bloom's: Knowledge 83. When a nonkey attribute is the determinant of a key attribute, the table is in 3NF but not in _____.

ANSWER: BCNF Boyce-Codd normal form Boyce-Codd normal form (BCNF) BCNF (Boyce-Codd normal form) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 221 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Surrogate Key Considerations KEYWORDS: Bloom's: Knowledge 84. In the _____, no row may contain two or more multivalued facts about an entity.

ANSWER: 4NF fourth normal form fourth normal form (4NF) 4NF (fourth normal form) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 226 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forns KEYWORDS: Bloom's: Knowledge 85. An ERD is created through an _____ process. iterative ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 226 LEARNING OBJECTIVES: DATA.CORO.15.LO6-7 - LO6-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Normalization and Database Design KEYWORDS: Bloom's: Knowledge 86. The combination of _____ and ER modeling yields a useful ERD, whose entities may now be translated into Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables appropriate table structures.

ANSWER: normalization POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 229 LEARNING OBJECTIVES: DATA.CORO.15.LO6-7 - LO6-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Normalization and Database Design KEYWORDS: Bloom's: Knowledge 87. Unnormalized tables yield no simple strategies for creating virtual tables known as _____. views ANSWER: POINTS: 1 DIFFICULTY: Difficulty:Easy REFERENCES: p. 232 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Knowledge 88. According to the data-modeling checklist, _____ should be nouns that are familiar to business, should be short and meaningful, and should document abbreviations, synonyms, and aliases for each entity.

ANSWER: entity names POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 233 LEARNING OBJECTIVES: DATA.CORO.15.LO6-9 - LO6-9 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data-Modeling Checklist KEYWORDS: Bloom's: Knowledge 89. Explain normalization and its different forms.

ANSWER: Normalization is a process for evaluating and correcting table structures to minimize data redundancies, thereby reducing the likelihood of data anomalies. The normalization process involves assigning attributes to tables based on the concept of determination. Normalization works through a series of stages called normal forms. The first three stages are described as first normal form (1NF), second normal form (2NF), and third normal form (3NF). From a structural point of view, 2NF is better than 1NF, and 3NF is better than 2NF. For most purposes in business database design, 3NF is as high as you need to go in the normalization process. However, you will discover that properly designed 3NF structures also meet the requirements of fourth normal form (4NF).

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables

TOPICS: KEYWORDS:

Management Science Database Tables and Normalization Bloom's: Knowledge

90. What characteristics do tables that conform to the concept of well-informed relations have?

ANSWER: Tables that conform to the concept of well-informed relations have the following characteristics: 1. Each table represents a single subject.

2. No data item will be unnecessarily stored in more than one table. This results in tables that have lower redundancies. The reason for this requirement is to ensure that the data is updates in only one place.

3. All nonprime attributes in a table are dependent on the primary key alone. The reason for this requirement is to ensure that the data is uniquely identifiable by a primary key value.

4. Each table is void of insertion, update, or deletion anomalies, which ensure the integrity and consistency of the data.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 206 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Normalization Process KEYWORDS: Bloom's: Comprehension 91. Describe a dependency diagram and explain its purpose.

ANSWER: Dependency diagrams are very helpful in getting a bird’s eye view of all the relationships among a table’s attributes, and their use makes it less likely that you will overlook an important dependency.

The following are features of a dependency diagram: 1. The primary key attributes are bold, underlined, and shaded in a different color.

2. The arrows above the attributes indicate all desirable dependencies—that is, dependencies based on the primary key.

3. The arrows below the dependency diagram indicate less desirable dependencies. Two types of such dependencies exist: a. Partial dependencies. A dependency based on only a part of a composite primary key is a partial dependency. b. Transitive dependencies. A transitive dependency is a dependency of one nonprime attribute on another nonprime attribute. The problem with transitive dependencies is that they still yield data anomalies.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 210 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables TOPICS: KEYWORDS:

The Normalization Process Bloom's: Comprehension

92. What steps are involved in the conversion to third normal form?

ANSWER: Step 1: Make New Tables to Eliminate Transitive Dependencies For every transitive dependency, write a copy of its determinant as a primary key for a new table. A determinant is any attribute whose value determines other values within a row. If you have three different transitive dependencies, you will have three different determinants.

As with the conversion to 2NF, it is important for the determinant remain in the original table to serve as a foreign key.

Step 2: Reassign Corresponding Dependent Attributes Identify the attributes that are dependent on each determinant identified in Step 1. Place the dependent attributes in the new tables with their determinants and remove them from their original tables.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 213 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Normalization Process KEYWORDS: Bloom's: Comprehension 93. Explain the Boyce-Codd normal form (BCNF). How is it related to other normal forms?

ANSWER: A table is in Boyce-Codd normal form (BCNF) when every determinant in the table is a candidate key. A candidate key has the same characteristics as a primary key, but for some reason, it was not chosen to be the primary key. Clearly, when a table contains only one candidate key, the 3NF and the BCNF are equivalent. In other words, BCNF can be violated only when the table contains more than one candidate key. Most designers consider the BCNF to be a special case of the 3NF. In fact, if the techniques shown in this chapter are used, most tables conform to the BCNF requirements once the 3NF is reached.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 221 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Comprehension

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Chapter 07: Introduction to Structured Query Language (SQL) True / False 1. A database language enables the user to perform complex queries designed to transform the raw data into useful information. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 247 LEARNING OBJECTIVES: DATA.CORO.15.LO7-1 - LO7-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Knowledge 2. SQL is considered difficult to learn; its command set has a vocabulary of more than 300 words. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 247 LEARNING OBJECTIVES: DATA.CORO.15.LO7-1 - LO7-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Knowledge 3. The ANSI prescribes a standard SQL–the current fully approved version is known as SQL-07. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 248 LEARNING OBJECTIVES: DATA.CORO.15.LO7-1 - LO7-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Knowledge 4. The ANSI SQL standards are also accepted by the ISO. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) REFERENCES: p. 248 LEARNING OBJECTIVES: DATA.CORO.15.LO7-1 - LO7-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Knowledge 5. Data type selection is usually dictated by the nature of the data and by the intended use. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 252 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Definition Commands KEYWORDS: Bloom's: Knowledge 6. Only numeric data types can be added and subtracted in SQL. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 252 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG:Analytic TOPICS: Data Definition Commands KEYWORDS: Bloom's: Knowledge 7. Entity integrity is enforced automatically when the primary key is specified in the CREATE TABLE command sequence. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 258 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Definition Commands KEYWORDS: Bloom's: Knowledge 8. The CHECK constraint is used to define a condition for the values that the attribute domain cannot have. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 260 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Definition Commands KEYWORDS: Bloom's: Knowledge 9. You cannot insert a row containing a null attribute value using SQL. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 264 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 10. SQL requires the use of the ADD command to enter data into a table. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 264 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 11. Any changes made to the contents of a table are not physically saved on disk until you use the SAVE <table name> command. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 265 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) TOPICS: KEYWORDS:

Data Manipulation Commands Bloom's: Knowledge

12. To list the contents of a table, you must use the DISPLAY command. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 266 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 13. The COMMIT command does not permanently save all changes. In order to do that, you must use SAVE. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 266 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 14. All SQL commands must be issued on a single line. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 267 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 15. Although SQL commands can be grouped together on a single line, complex command sequences are best shown on separate lines, with space between the SQL command and the command’s components. a. True b. False ANSWER: True POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) DIFFICULTY: Difficulty: Easy REFERENCES: p. 267 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 16. If you have not yet used the COMMIT command to store the changes permanently in the database, you can restore the database to its previous condition with the ROLLBACK command. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 269 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 17. You can select partial table contents by naming the desired fields and by placing restrictions on the rows to be included in the output. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 271 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 18. Oracle users can use the Access QBE (query by example) query generator. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 271 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) 19. Mathematical operators cannot be used to place restrictions on character-based attributes. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 273 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 20. String comparisons are made from left to right. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 274 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 21. Date procedures are often more software-specific than other SQL procedures. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 274 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 22. SQL allows the use of logical restrictions on its inquiries such as OR, AND, and NOT. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 277 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 23. ANSI-standard SQL allows the use of special operators in conjunction with the WHERE clause. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 279 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 24. The conditional LIKE must be used in conjunction with wildcard characters. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 280 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Comprehension 25. Most SQL implementations yield case-insensitive searches. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 281 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 26. Some RDBMSs, such as Microsoft Access, automatically make the necessary conversions to eliminate case sensitivity. a. True b. False ANSWER: True Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 281 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 27. The COUNT function is designed to tally the number of non-null "values" of an attribute, and is often used in conjunction with the DISTINCT clause. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 293 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Additional Select Query Keywords KEYWORDS: Bloom's: Comprehension 28. An alias cannot be used when a table is required to be joined to itself in a recursive query. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 303 LEARNING OBJECTIVES: DATA.CORO.15.LO7-7 - LO7-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Joining Database Tables KEYWORDS: Bloom's: Comprehension 29. When joining three or more tables, you need to specify a join condition for one pair of tables. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 303 LEARNING OBJECTIVES: DATA.CORO.15.LO7-7 - LO7-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Joining Database Tables KEYWORDS: Bloom's: Comprehension Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) Multiple Choice 30. The SQL data manipulation command HAVING: a. restricts the selection of rows based on a conditional expression. b. restricts the selection of grouped rows based on a condition. c. modifies an attribute’s values in one or more table’s rows. d. groups the selected rows based on one or more attributes.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 248 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Application 31. The SQL command that allows a user to permanently save data changes is _____. a. INSERT b. SELECT c. COMMIT d. UPDATE ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 248 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Knowledge 32. The _____ constraint assigns a value to an attribute when a new row is added to a table. a. CHECK b. UNIQUE c. NOT NULL d. DEFAULT ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 260 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Definition Commands KEYWORDS: Bloom's: Knowledge 33. The SQL command that allows a user to list the contents of a table is _____. a. INSERT b. SELECT c. COMMIT d. UPDATE Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 266 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 34. In Oracle, the _____ command is used to change the display for a column, for example, to place a $ in front of a numeric value. a. DISPLAY b. FORMAT c. CHAR d. CONVERT ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 267 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 35. UPDATE tablename ***** [WHERE conditionlist]; The _____ command replaces the ***** in the syntax of the UPDATE command, shown above. a. SET columnname = expression b. columnname = expression c. expression = columnname d. LET columnname = expression ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 268 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 36. An example of a command a user would use when making changes to a PRODUCT table is _____. a. CHANGE PRODUCT SET P_INDATE = '18-JAN-2004' WHERE P_CODE = '13-Q2/P2'; b. ROLLBACK PRODUCT SET P_INDATE = '18-JAN-2004' WHERE P_CODE = '13-Q2/P2'; c. EDIT PRODUCT Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) SET P_INDATE = '18-JAN-2004' WHERE P_CODE = '13-Q2/P2'; d. UPDATE PRODUCT SET P_INDATE = '18-JAN-2004' WHERE P_CODE = '13-Q2/P2'; ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 268 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 37. The _____ command is used to restore the database to its previous condition. a. COMMIT; RESTORE; b. COMMIT; BACKUP; c. COMMIT; ROLLBACK; d. ROLLBACK; ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 269 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 38. When a user issues the DELETE FROM tablename command without specifying a WHERE condition, _____. a. no rows will be deleted b. the first row will be deleted c. the last row will be deleted d. all rows will be deleted ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 270 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 39. The _____ command would be used to delete the table row where the P_CODE is 'BRT-345'. a. DELETE FROM PRODUCT WHERE P_CODE = 'BRT-345'; b. REMOVE FROM PRODUCT WHERE P_CODE = 'BRT-345'; c. ERASE FROM PRODUCT WHERE P_CODE = 'BRT-345'; Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) d. ROLLBACK FROM PRODUCT WHERE P_CODE = 'BRT-345'; ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 270 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 40. A(n) _____ is a query that is embedded (or nested) inside another query. a. alias b. operator c. subquery d. view ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 270 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 41. Which of the following queries will output the table contents when the value of V_CODE is equal to 21344? a. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE <> 21344; b. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE <= 21344; c. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE = 21344; d. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE => 21344; ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Challenging REFERENCES: p. 271 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Application 42. Which of the following is used to select partial table contents?

Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) a. SELECT <column(s)> FROM <Table name> BY <Conditions>; b. LIST <column(s)> FROM <Table name> BY <Conditions>; c. SELECT <column(s)> FROM <Table name> WHERE <Conditions>; d. LIST<column(s)> FROM <Table name> WHERE <Conditions>; ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 271 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Application 43. Which of the following queries will output the table contents when the value of V_CODE is not equal to 21344? a. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE <> 21344; b. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE <= 21344; c. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE = 21344; d. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE => 21344; ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Challenging REFERENCES: p. 271 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Application 44. Which of the following queries will output the table contents when the value of the character field P_CODE is alphabetically less than 1558-QW1? a. SELECT P_CODE, P_DESCRIPT, P_QOH, P_MIN, P_PRICE FROM PRODUCT Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) WHERE P_CODE <'1558-QW1'; b. SELECT P_CODE, P_DESCRIPT, P_QOH, P_MIN, P_PRICE FROM PRODUCT WHERE P_CODE = [1558-QW1]; c. SELECT P_CODE, P_DESCRIPT, P_QOH, P_MIN, P_PRICE FROM PRODUCT WHERE P_CODE = (1558-QW1); d. SELECT P_CODE, P_DESCRIPT, P_QOH, P_MIN, P_PRICE FROM PRODUCT WHERE P_CODE = {1558-QW1}; ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Challenging REFERENCES: p. 273 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Application 45. Which of the following queries will list all the rows in which the inventory stock dates occur on or after January 20, 2016? a. SELECT P_DESCRIPT, P_QOH, P_MIN, P_PRICE, P_INDATE FROM PRODUCT WHERE P_INDATE >= '20-JAN-2016'; b. SELECT P_DESCRIPT, P_QOH, P_MIN, P_PRICE, P_INDATE FROM PRODUCT WHERE P_INDATE >= $20-JAN-2016; c. SELECT P_DESCRIPT, P_QOH, P_MIN, P_PRICE, P_INDATE FROM PRODUCT WHERE P_INDATE <= '20-JAN-2016'; d. SELECT P_DESCRIPT, P_QOH, P_MIN, P_PRICE, P_INDATE FROM PRODUCT WHERE P_INDATE >= {20-JAN-2016}; ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Challenging REFERENCES: p. 274 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Application 46. Which of the following queries will use the given columns and column aliases from the PRODUCT table to determine the total value of inventory held on hand? a. SELECT P_DESCRIPT, P_QOH, P_PRICE, P_QOH/P_PRICE FROM PRODUCT; b. SELECT P_DESCRIPT, P_QOH, P_PRICE, P_QOH=P_PRICE Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) FROM PRODUCT; c. SELECT P_DESCRIPT, P_QOH, P_PRICE, P_QOH*P_PRICE FROM PRODUCT; d. SELECT P_DESCRIPT, P_QOH, P_PRICE, P_QOH-P_PRICE FROM PRODUCT; ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Challenging REFERENCES: p. 275 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Application 47. A(n) _____ is an alternate name given to a column or table in any SQL statement. a. alias b. data type c. stored function d. trigger ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 275 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 48. Which of the following queries uses the correct SQL syntax to list the table contents for either V_CODE = 21344 or V_CODE = 24288? a. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE = 21344 OR V_CODE <= 24288; b. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE = 21344 OR V_CODE => 24288; c. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE = 21344 OR V_CODE > 24288; d. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE = 21344 OR V_CODE = 24288; ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Challenging Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) REFERENCES: p. 277 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Application 49. According to the rules of precedence, which of the following computations should be completed first? a. Performing additions and subtractions b. Performing multiplications and divisions c. Performing operations within parentheses d. Performing power operations ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 277 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Comprehension 50. The special operator used to check whether an attribute value is within a range of values is _____. a. BETWEEN b. NULL c. LIKE d. IN ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 279 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 51. The special operator used to check whether an attribute value matches a given string pattern is _____. a. BETWEEN b. IS NULL c. LIKE d. IN ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 279 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) 52. The special operator used to check whether a subquery returns any rows is _____. a. BETWEEN b. EXISTS c. LIKE d. IN ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 279 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 53. All changes in a table structure are made using the _____ command, followed by a keyword that produces the specific changes a user wants to make. a. ALTER TABLE b. UPDATE TABLE c. COMMIT TABLE d. ROLLBACK TABLE ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 283 LEARNING OBJECTIVES: DATA.CORO.15.LO7-5 - LO7-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Application 54. The SQL aggregate function that gives the number of rows containing non-null values for a given column is _____. a. COUNT b. MIN c. MAX d. SUM ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 293 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Additional Select Query Keywords KEYWORDS: Bloom's: Knowledge 55. The query to join the P_DESCRIPT and P_PRICE fields from the PRODUCT table and the V_NAME, V_AREACODE, V_PHONE, and V_CONTACT fields from the VENDOR table where the values of V_CODE match is _____. a. SELECT P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) FROM PRODUCT, VENDOR WHERE PRODUCT.V_CODE <> VENDOR.V_CODE; b. SELECT P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE FROM PRODUCT, VENDOR WHERE PRODUCT.V_CODE = VENDOR.V_CODE; c. SELECT P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE FROM PRODUCT, VENDOR WHERE PRODUCT.V_CODE <= VENDOR.V_CODE; d. SELECT P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE FROM PRODUCT, VENDOR WHERE PRODUCT.V_CODE => VENDOR.V_CODE; ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 301 LEARNING OBJECTIVES: DATA.CORO.15.LO7-7 - LO7-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Additional Select Query Keywords KEYWORDS: Bloom's: Application 56. The SQL query to output the contents of the EMPLOYEE table sorted by last name, first name, and initial is _____. a. SELECT EMP_LNAME, EMP_FNAME, EMP_INITIAL, EMP_AREACODE, EMP_PHONE FROM EMPLOYEE LIST BY EMP_LNAME, EMP_FNAME, EMP_INITIAL; b. SELECT EMP_LNAME, EMP_FNAME, EMP_INITIAL, EMP_AREACODE, EMP_PHONE FROM EMPLOYEE ORDER BY EMP_LNAME, EMP_FNAME, EMP_INITIAL; c. SELECT EMP_LNAME, EMP_FNAME, EMP_INITIAL, EMP_AREACODE, EMP_PHONE FROM EMPLOYEE DISPLAY BY EMP_LNAME, EMP_FNAME, EMP_INITIAL; d. SELECT EMP_LNAME, EMP_FNAME, EMP_INITIAL, EMP_AREACODE, EMP_PHONE FROM EMPLOYEE SEQUENCE BY EMP_LNAME, EMP_FNAME, EMP_INITIAL; ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 291 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Additional Select Query Keywords KEYWORDS: Bloom's: Application 57. Which of the following queries is used to list a unique value for V_CODE, where the list will produce only a list of those values that are different from one another? a. SELECT ONLY V_CODE Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) FROM PRODUCT; b. SELECT UNIQUE V_CODE FROM PRODUCT; c. SELECT DIFFERENT V_CODE FROM PRODUCT; d. SELECT DISTINCT V_CODE FROM PRODUCT; ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 292 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic KEYWORDS: Bloom's: Application 58. A table can be deleted from the database bu using the ___ command. a. DROP TABLE b. DELETE TABLE c. MODIFY TABLE d. ERASE TABLE ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 290 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Additional Data Definition Commands KEYWORDS: Bloom's: Application 59. The query to join the P_DESCRIPT and P_PRICE fields from the PRODUCT table and the V_NAME, V_AREACODE, V_PHONE and V_CONTACT fields from the VENDOR table, where the values of V_CODE match and the output is ordered by the price is _____. a. SELECT PRODUCT.P_DESCRIPT, PRODUCT.P_PRICE, VENDOR.V_NAME, VENDOR.V_CONTACT, VENDOR.V_AREACODE, VENDOR.V_PHONE FROM PRODUCT, VENDOR WHERE PRODUCT.V_CODE <> VENDOR.V_CODE; ORDER BY PRODUCT.P_PRICE; b. SELECT PRODUCT.P_DESCRIPT, PRODUCT.P_PRICE, VENDOR.V_NAME, VENDOR.V_CONTACT, VENDOR.V_AREACODE, VENDOR.V_PHONE FROM PRODUCT, VENDOR WHERE PRODUCT.V_CODE => VENDOR.V_CODE; ORDER BY PRODUCT.P_PRICE; c. SELECT PRODUCT.P_DESCRIPT, PRODUCT.P_PRICE, VENDOR.V_NAME, VENDOR.V_CONTACT, VENDOR.V_AREACODE, VENDOR.V_PHONE FROM PRODUCT, VENDOR WHERE PRODUCT.V_CODE <= VENDOR.V_CODE; ORDER BY PRODUCT.P_PRICE; d. SELECT PRODUCT.P_DESCRIPT, PRODUCT.P_PRICE, VENDOR.V_NAME, VENDOR.V_CONTACT, VENDOR.V_AREACODE, VENDOR.V_PHONE Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) FROM PRODUCT, VENDOR WHERE PRODUCT.V_CODE = VENDOR.V_CODE; ORDER BY PRODUCT.P_PRICE; ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 302 LEARNING OBJECTIVES: DATA.CORO.15.LO7-7 - LO7-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Additional Select Query Keywords KEYWORDS: Bloom's: Application Completion 60. The basic SQL vocabulary has fewer than _____words.

ANSWER: 100 one hundred a hundred POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 247 LEARNING OBJECTIVES: DATA.CORO.15.LO7-1 - LO7-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Knowledge 61. In the SQL environment, the word _____ covers both questions and actions.

ANSWER: query POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 248 LEARNING OBJECTIVES: DATA.CORO.15.LO7-1 - LO7-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Knowledge 62. A(n) _____ is a logical group of database objects, such as tables and indexes, that are related to each other.

ANSWER: schema POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 251 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) KEYWORDS:

Bloom's: Knowledge

63. With the exception of the database _____ process, most RDBMS vendors use SQL that deviates little from the ANSI standard SQL. ANSWER: creation creating POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 251 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 64. ________ is the process the DBMS uses to verify that only registered users access the database ANSWER: Authentication POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 251 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 65. U.S. state abbreviations are always two characters, so _____(2) is a logical choice for the data type representing a state column.

ANSWER: CHAR POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 252 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 66. The SQL data type DATE stores date in the _____ date format.

Julian ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 254 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) 67. To make SQL code more____ , most SQL programmers use one line per column (attribute) definition.

ANSWER: readable POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 255 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 68. In a 1:M relationship, a user must always create the table for the _____ side first.

ANSWER: 1 one POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 256 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 69. The _____ specification is used to avoid having duplicated values in a column.

UNIQUE ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 257 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 70. _____ words are words used by SQL to perform specific functions.

ANSWER: Reserved POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 258 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 71. A common practice is to create a(n) _____ on any field that is used as a search key, in comparison operations in a conditional expression, or when a user wants to list rows in a specific order.

ANSWER: index POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) DIFFICULTY: Difficulty: Easy REFERENCES: p. 263 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 72. To delete an index, one must use the _____ command.

ANSWER: DROP INDEX POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 264 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 73. In an INSERT command, a user can indicate just the attributes that have required values by listing the _____ inside parentheses after the table name.

ANSWER: attribute names names POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 265 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 74. A(n) _____ character is a symbol that can be used as a general substitute for other characters or commands.

ANSWER: wildcard wild card POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 266 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 75. A(n) _____, also known as a nested query or an inner query, is a query that is embedded (or nested) inside another query.

ANSWER: subquery POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) REFERENCES: p. 270 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 76. The _____ command, coupled with appropriate search conditions, is an incredibly powerful tool that enables a user to transform data into information.

ANSWER: SELECT POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 271 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 77. DATE() and SYSDATE are special functions that return today’s date in MS Access and _____, respectively.

ANSWER: Oracle POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 276 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 78. In SQL, all _____ expressions evaluate to true or false.

ANSWER: conditional POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 278 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 79. A specialty field in mathematics, known as _____ algebra, is dedicated to the use of logical operators.

ANSWER: Boolean POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 278 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) 80. If a user adds a new column to a table that already has rows, the existing rows will default to a value of _____ for the new column.

ANSWER: null POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 285 LEARNING OBJECTIVES: DATA.CORO.15.LO7-5 - LO7-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Additional Data Definition Commands KEYWORDS: Bloom's: Knowledge 81. A table can be deleted from the database by using the _____ command.

ANSWER: DROP TABLE POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 290 LEARNING OBJECTIVES: DATA.CORO.15.LO7-5 - LO7-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Additional Data Definition Commands KEYWORDS: Bloom's: Application 82. A(n) _____ order sequence is a multilevel ordered sequence that can be created easily by listing several attributes, separated by commas, after the ORDER BY clause.

ANSWER: cascading POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 291 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Additional Select Query Keywords KEYWORDS: Bloom's: Knowledge 83. Rows can be grouped into smaller collections quickly and easily using the _____ clause within the SELECT statement.

ANSWER: GROUP BY POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 291 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Additional Select Query Keywords KEYWORDS: Bloom's: Knowledge 84. The _____ clause of the GROUP BY statement operates very much like the WHERE clause in the SELECT statement.

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Chapter 07: Introduction to Structured Query Language (SQL) ANSWER: HAVING POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 298 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Additional Select Query Keywords KEYWORDS: Bloom's: Knowledge 85. A(n) _____ is performed when data are retrieved from more than one table at a time.

ANSWER: join POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 300-301 LEARNING OBJECTIVES: DATA.CORO.15.LO7-7 - LO7-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Joining Database Tables KEYWORDS: Bloom's: Knowledge 86. The _____ condition is generally composed of an equality comparison between the foreign key and the primary key of related tables. join ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 301 LEARNING OBJECTIVES: DATA.CORO.15.LO7-7 - LO7-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Joining Database Tables KEYWORDS: Bloom's: Knowledge 87. An alias is especially useful when a table must be joined to itself in a(n) _____ query.

ANSWER: recursive POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 303 LEARNING OBJECTIVES: DATA.CORO.15.LO7-7 - LO7-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Joining Database Tables KEYWORDS: Bloom's: Knowledge Essay 88. Explain the two SQL functions.

ANSWER: 1. SQL is a data definition language (DDL). It includes commands to create database objects such as tables, indexes, and views, as well as commands to define access rights to those Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) databases objects.

2. SQL is a data manipulation language (DML). It includes commands to insert, update, delete, and retrieve data within the database tables.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 247 LEARNING OBJECTIVES: DATA.CORO.15.LO7-1 - LO7-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Knowledge 89. What is a schema? How many schemas can be used in one database?

ANSWER: In the SQL environment, a schema is a logical group of database objects—such as tables and indexes—that are related to each other. Usually, the schema belongs to a single user or application. A single database can hold multiple schemas that belong to different users or applications. Schemas are useful in that they group tables by owner (or function) and enforce a first level of security by allowing each user to see only the tables that belong to that user.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 251 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Definition Commands KEYWORDS: Bloom's: Comprehension 90. Which command is used to save changes to the database? What is the syntax for this command?

ANSWER: Any changes made to the table contents are not saved on disk until a user closes the database, closes the program he or she is using, or uses the COMMIT command. If the database is open and a power outage or some other interruption occurs before the user issues the COMMIT command, the user's changes will be lost and only the original table contents will be retained.

The syntax for the COMMIT command is: COMMIT [WORK] The COMMIT command permanently saves all changes—such as rows added, attributes modified, and rows deleted— made to any table in the database.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 265-266 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Comprehension 91. What is a subquery? When is it used? Does the RDBMS deal with subqueries any differently from normal queries?

ANSWER: A subquery, also known as a nested query or an inner query, is a query that is embedded (or nested) inside another query. The inner query is always executed first by the RDBMS. Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) In the SQL statement, INSERT INTO tablename SELECT columnlist FROM tableneme;, the INSERT portion represents the outer query, and the SELECT portion represents the subquery. A user can nest queries (place queries inside queries) many levels deep; in every case, the output of the inner query is used as the input for the outer (higher-level) query.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 270-271 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Comprehension 92. What are the wildcard characters that are used with the LIKE command? Provide one or more examples of each.

ANSWER: The LIKE special operator is used in conjunction with wildcards to find patterns within string attributes. Standard SQL allows a user to use the percentage sign (%) and underscore (_) wildcard characters to make matches when the entire string is not known: % means any and all following or preceding characters are eligible. For example: 'J%' includes Johnson, Jones, Jernigan, July, and J-231Q. 'Jo%' includes Johnson and Jones. '%n' includes Johnson and Jernigan. _ means any one character may be substituted for the underscore. For example: '_23-456-6789' includes 123-456-6789, 223-456-6789, and 323-456-6789. '_23-_56-678_' includes 123-156-6781, 123-256-6782, and 823-956-6788. '_o_es' includes Jones, Cones, Cokes, totes, and roles.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 280 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Comprehension 93. How can a table be deleted from the database? Provide an example.

ANSWER: A table can be deleted from the database using the DROP TABLE command. For example, a user can delete the PART table with the following command: DROP TABLE PART; The user can drop a table only if it is not the “one” side of any relationship. If the user tries to drop a table otherwise, the RDBMS will generate an error message indicating that a foreign key integrity violation has occurred.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 290 LEARNING OBJECTIVES: DATA.CORO.15.LO7-5 - LO7-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Additional Data Definition Commands KEYWORDS: Bloom's: Comprehension

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Chapter 08: Advanced SQL True / False 1. A relational join operation merges rows from two tables. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 341 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Join Operators KEYWORDS: Bloom's: Knowledge 2. An inequality condition is also known as a natural join and an equality condition is also called a theta join. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 341 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Join Operators KEYWORDS: Bloom's: Knowledge 3. Subqueries cannot be used in combinations with joins a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 352 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Operators KEYWORDS: Bloom's: Knowledge 4. The SELECT statement uses the attribute list to indicate what columns to project in the result set a. True b. False ANSWER: POINTS: DIFFICULTY:

True 1 Difficulty: Easy

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Chapter 08: Advanced SQL REFERENCES: p. 356 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: SQL Join Operators KEYWORDS: Bloom's: Knowledge 5. Numeric functions take one numeric parameter and return one value. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 366 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 6. String manipulation functions are rarely used in programming a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 366 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 7. UNION, INTERSECT, and MINUS work properly only if relations are intersect-compatible, which means that the names of the relation attributes and their data types must be different. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 371 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational set Operators KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL 8. A view is a virtual table based on a SELECT query. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 377 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Virtual Tables: Creating a View KEYWORDS: Bloom's: Knowledge 9. A sequence is not associated with a table and can be dropped from a database with a DROP SEQUENCE command. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 386-387 LEARNING OBJECTIVES: DATA.CORO.15.LO8-6 - LO8-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Sequences KEYWORDS: Bloom's: Knowledge 10. SQL supports the conditional execution of procedures (IF-THEN-ELSE statements) that are typically supported by a programming language. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 387 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 11. To remedy the lack of procedural functionality in SQL, and to provide some standardization within the many vendor offerings, the SQL-99 standard defined the use of persistent stored modules. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL REFERENCES: p. 388 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 12. A persistent stored module is stored and executed on the database client machine. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 388 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 13. Every PL/SQL block must be given a name. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 390 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Comprehension 14. In Oracle, you can use the SQL*Plus command SHOW ERRORS to help you diagnose errors found in PL/SQL blocks. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 390 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Comprehension 15. PL/SQL blocks have a section used to declare variables. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 391 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 16. The most useful feature of PL/SQL blocks is that they let a designer create code that can be named, stored, and executed by the DBMS. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 391 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 17. Automating business procedures and automatically maintaining data integrity and consistency are trivial in a modern business environment. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 392 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 18. A trigger is procedural SQL code that is automatically invoked by the RDBMS upon the occurrence of a given data manipulation event. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 393 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 19. Triggers can only be used to update table values. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 393 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 20. A statement-level trigger is assumed if a designer omits the FOR EACH ROW keywords. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 394 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 21. A row-level trigger is assumed if we omit the FOR EACH ROW keywords and a statement-level trigger required the use of the FOR EACH ROW keyword. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 394 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 22. MySQL allows multiple triggering conditions per trigger. a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 394 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 23. BEFORE means before the changes are made in memory but after the changes are permanently saved to disk. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 398 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 24. Just like database triggers, stored procedures are stored in the database. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 401 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 25. One of the major advantages of stored procedures is that they can be used to encapsulate and represent business transactions. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 401 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL TOPICS: KEYWORDS:

Procedural SQL Bloom's: Knowledge

26. Stored procedures must have at least one argument. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 402 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 27. Variables can be declared inside a stored procedure a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 402 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Procedural SQL KEYWORDS: Bloom's: Comprehension 28. Cursors are held in a reserved memory area in the client computer. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 407 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 29. An implicit cursor is automatically created in procedural SQL when the SQL statement returns only one value a. True b. False ANSWER: True POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL DIFFICULTY: Difficulty: Easy REFERENCES: p. 407 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 30. An explicit cursor must return two or more rows. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 407 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 31. A stored function is another name for a stored procedure. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 409 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 32. "Linked SQL" is a term used to refer to SQL statements that are contained within an application programming language such as COBOL, C++, ASP, Java, or ColdFusion. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 410 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Embedded SQL KEYWORDS: Bloom's: Knowledge Multiple Choice Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL 33. The following SQL statement uses a(n) SELECT P_CODE, P_DESCRIPT, P_PRICE_V_ NAME FROM PRODUCT, VENDOR _ WHERE PRODUCT,V_CODE=VENDOR. V CODE a. set operator b. natural join c. "old-style" join d. procedural statement ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 341 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Operators KEYWORDS: Bloom's: Comprehension 34. When using a(n) _____ join, only rows that meet the given criteria are returned. a. full b. inner c. outer d. set ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 341 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Join Operators KEYWORDS: Bloom's: Knowledge 35. The statement SELECT * FROM T1, T2 produces a(n) _____ join. a. cross b. natural c. equid. full ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 342 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic KEYWORDS: Bloom's: Knowledge 36. How many rows would be returned from a cross join of tables A and B, if A contains 8 rows and B contains 18? a. 8 b. 18 c. 26 d. 144 ANSWER: d POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL DIFFICULTY: Difficulty: Moderate REFERENCES: p. 342 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Join Operators KEYWORDS: Bloom's: Application 37. A(n) _____ join will select only the rows with matching values in the common attribute(s). a. natural b. cross c. full d. outer ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 343 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Operators KEYWORDS: Bloom's: Knowledge 38. If a designer wishes to create an inner join, but the two tables do not have a commonly named attribute, he can use a(n) _____ clause. a. OF b. USING c. HAS d. JOIN ON ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 345 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Operators KEYWORDS: Bloom's: Application 39. A(n) _____ join returns not only the rows matching the join condition (that is, rows with matching values in the common columns) but also the rows with unmatched values. a. outer b. inner c. equid. cross ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 347 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Operators KEYWORDS: Bloom's: Application Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL 40. The syntax for a left outer join is _____. a. SELECT column-list FROM table1 OUTER JOIN table2 LEFT WHERE join-condition c. SELECT column-list WHERE LEFT table1 = table 2

b. SELECT column-list FROM table1 LEFT [OUTER] JOIN table2 ON join-condition d. SELECT column-list FROM table1 LEFT table2 [JOIN] WHERE join-condition

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.347 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Join Operators KEYWORDS: Bloom's: Application 41. In subquery terminology, the first query in the SQL statement is known as the _____ query. a. outer b. left c. inner d. base ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 350 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Knowledge 42. In the context of SELECT subquery types, a _____ is returned when an UPDATE subquery is used. a. NULL b. single value c. list of values d. virtual table ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 351 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Knowledge 43. Which of the following is a feature of a correlated subquery? a. The inner subquery executes first. b. The outer subquery initiates the process of execution in a subquery. c. The inner subquery initiates the process of d. The outer subquery executes independent of the execution in a subquery. inner subquery.

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Chapter 08: Advanced SQL ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 359 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Comprehension 44. The _____ function returns the current system date in MS Access. a. TO_DATE() b. SYSDATE() c. DATE() d. TODAY() ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 362 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 45. When using the Oracle TO_DATE function, the code _____ represents a three-letter month name. a. MON b. MM3 c. MONTH d. MM ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 363 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 46. In Oracle, the _____ function converts a date to a character string. a. CONVERT() b. TO_DATE c. TO_CHAR() d. TO_STRING() ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 363 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL 47. _____ is a string function that returns the number of characters in a string value. a. LENGTH b. SUBSTRING c. CONCAT d. UCASE ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 368 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 48. When using the Oracle TO_NUMBER function to convert a character string into a number, _____ represents a digit. a. 0 b. 9 c. $ d. # ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 369 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 49. The Oracle _____ function compares an attribute or expression with a series of values and returns an associated value or a default value if no match is found. a. NVL b. TO_CHAR c. DECODE d. CONVERT ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 370 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 50. _____ is a relational set operator. a. MINUS b. PLUS c. ALL d. EXISTS ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 371 Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 51. “Union-compatible” means that the _____. a. names of the relation attributes can be different, but the data types must be alike b. names of the relation attributes must be the same, but the data types can be different c. names of the relation attributes must be the same and their data types must be alike d. number of attributes must be the same, but the names and data types can be different ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 371 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Comprehension 52. The _____ data type is considered compatible with VARCHAR(35). a. DATE b. INT c. TINYINT d. CHAR(15) ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 371 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 53. The _____ statement combines rows from two queries and excludes duplicates. a. UNION b. UNION ALL c. INTERSECT d. MINUS ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 372 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Relational Set Operators KEYWORDS: Bloom's: Application 54. Assume a designer is using the UNION operator to combine the results from two tables with identical structure, Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL CUSTOMER and CUSTOMER_2. The CUSTOMER table contains 10 rows, while the CUSTOMER_2 table contains 7 rows. Customers Jenna and Howard are included in the CUSTOMER table as well as in the CUSTOMER_2 table. How many records are returned when using the UNION operator? a. 7 b. 10 c. 15 d. 17 ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 372 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Application 55. Assume you are using the UNION ALL operator to combine the results from two tables with identical structure, CUSTOMER and CUSTOMER_2. The CUSTOMER table contains 10 rows, while the CUSTOMER_2 table contains 7 rows. Customers Dunne and Olowski are included in the CUSTOMER table as well as in the CUSTOMER_2 table. How many records are returned when using the UNION ALL operator? a. 7 b. 10 c. 15 d. 17 ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 373 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Application 56. Assume you are using the INTERSECT operator to combine the results from two tables with identical structure, CUSTOMER and CUSTOMER_2. The CUSTOMER table contains 10 rows, while the CUSTOMER_2 table contains 7 rows. Customers Dunne and Olowski are included in the CUSTOMER table as well as in the CUSTOMER_2 table. How many records are returned when using the INTERSECT operator? a. 0 b. 2 c. 7 d. 10 ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 374 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Application 57. The _____ statement in SQL combines rows from two queries and returns only the rows that appear in the first set but not in the second.

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Chapter 08: Advanced SQL a. UNION b. UNION ALL c. INTERSECT d. MINUS ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 375 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Application 58. Assume you are using the MINUS operator to combine the results from two tables with identical structure, CUSTOMER and CUSTOMER_2. The CUSTOMER table contains 10 rows, while the CUSTOMER_2 table contains 7 rows. Customers Dunne and Olowski are included in the CUSTOMER table as well as in the CUSTOMER_2 table. How many records are returned when using the MINUS operator? a. 0 b. 2 c. 8 d. 10 ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 375-376 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Application 59. The _____ operator could be used in place of INTERSECT if the DBMS does not support it. a. IN b. OF c. AND d. UNION ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 377 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 60. The _____ operator could be used in place of MINUS if the DBMS does not support it. a. IN b. NOT IN c. AND d. UNION ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 377 Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 61. The Oracle equivalent to an MS Access AutoNumber is a(n) _____. a. auto-number b. sequence c. TO_NUMBER function d. trigger ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 382 LEARNING OBJECTIVES: DATA.CORO.15.LO8-6 - LO8-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Sequences KEYWORDS: Bloom's: Knowledge 62. Which of the following is a feature of oracle sequences? a. Oracle sequences are tied to columns and tables. c. An oracle sequence uses the identity column property to automatically number rows.

ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 383 LEARNING OBJECTIVES: DATA.CORO.15.LO8-6 - LO8-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Sequences KEYWORDS: Bloom's: Knowledge

b. Oracle sequences generate a character string that can be assigned to tables. d. An oracle sequence can be created and deleted anytime.

63. The _____ pseudo-column is used to select the next value from a sequence. a. CURRVAL b. NEXTVAL c. NEXT d. GET_NEXT ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 384 LEARNING OBJECTIVES: DATA.CORO.15.LO8-6 - LO8-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Sequences KEYWORDS: Bloom's: Application 64. In Oracle, _____ make(s) it possible to merge SQL and traditional programming constructs, such as variables, conditional processing (IF-THEN-ELSE), basic loops (FOR and WHILE loops,) and error trapping.

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Chapter 08: Advanced SQL a. cursor-style processing b. stored procedures c. embedded SQL d. Procedural Language SQL ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 388 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 65. The Oracle string concatenation function is _____. a. CONCAT b. + c. || d. && ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 391 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 66. The PL/SQL block starts with the _____ section. a. IS b. OPEN c. DECLARE d. BEGIN ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 391 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 67. Oracle recommends _____ for creating audit logs. a. triggers b. stored procedures c. stored functions d. tables ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 393 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL TOPICS: KEYWORDS:

Procedural SQL Bloom's: Knowledge

68. _____ is a cursor attribute that returns TRUE if the last FETCH returned a row, and FALSE if not. a. %ROWCOUNT b. %NOTFOUND c. %FOUND d. %ISOPEN ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 408 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge Completion 69. The _____ determines the common attribute or attributes by looking for identically named attributes and compatible data types. natural join ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 343 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Join Operators KEYWORDS: Bloom's: Knowledge 70. An alternate syntax for a join is: SELECT column-list FROM table1 JOIN table2 _____ (common-column).

ANSWER: USING POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 344 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Join Operators KEYWORDS: Bloom's: Knowledge 71. When using a subquery, the output of a(n) _____ query is used as the input for the outer query.

ANSWER: inner POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 350 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL TOPICS: KEYWORDS:

Subqueries and correlated Queries Bloom's: Knowledge

72. The _____ clause is used to restrict the output of a GROUP BY query by applying a conditional criteria to the grouped rows.

ANSWER: HAVING POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 353 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Knowledge 73. The IN subquery uses a(n) _____ operator.

ANSWER: equality POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 354 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Knowledge 74. The use of the _____ operator allows you to compare a single value with a list of values returned by the first subquery (sqA) using a comparison operator other than EQUALS. ANSWER: ALL POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 355 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Knowledge 75. The ___ statement uses the attribute list to indicate what columns to project in the resulting set.

ANSWER: SELECT POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 356 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL 76. A(n) _____ subquery is a subquery that executes once for each row in the outer query.

ANSWER: correlated POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 358 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Knowledge 77. Oracle uses the _____ function to extract the various parts of a date.

ANSWER: TO_CHAR POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 363 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 78. _____ functions extract a value of a given data type and convert it to the equivalent value in another data type.

ANSWER: Conversion POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 368 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 79. The syntax of the DECODE function starts with _____.

ANSWER: DECODE(e, x, y, d) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 370 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 80. The _____ statement combines the output of two SELECT queries.

ANSWER: UNION POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 372 Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 81. A(n) _____ query can be used to produce a relation that retains the duplicate rows.

ANSWER: UNION ALL POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 373 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 82. The _____ statement can be used to combine rows from two queries, returning only the rows that appear in both sets.

ANSWER: INTERSECT POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 373 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 83. The syntax of the MINUS statement in Oracle is _____.

ANSWER: query MINUS query POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 375 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 84. If the DBMS does not support the INTERSECT statement, one can use a(n) _____ subquery to achieve the same result.

ANSWER: IN POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 377 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL 85. A(n) _____ routine pools multiple transactions into a single batch to update a master table field in a single operation.

ANSWER: batch update POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 379 LEARNING OBJECTIVES: DATA.CORO.15.LO8-5 - LO8-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 86. A(n) _____ view is a view that can be used to update attributes in the base table(s) that are used in the view.

ANSWER: updatable POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 380 LEARNING OBJECTIVES: DATA.CORO.15.LO8-5 - LO8-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 87. In MS Access, a designer can use the _____ data type to define a column in his table that will be automatically populated with unique numeric values.

ANSWER: AutoNumber POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 382 LEARNING OBJECTIVES: DATA.CORO.15.LO8-6 - LO8-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Sequences KEYWORDS: Bloom's: Knowledge 88. In an Oracle sequence, the _____ pseudo-column retrieves the current value of a sequence.

ANSWER: CURRVAL POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 384 LEARNING OBJECTIVES: DATA.CORO.15.LO8-6 - LO8-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Sequences KEYWORDS: Bloom's: Knowledge 89. Using Oracle _____, a designer can write a PL/SQL code block by enclosing the commands inside BEGIN and END clauses.

ANSWER: SQL*Plus Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 389 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 90. A row-level trigger requires use of the _____ keywords and is executed once for each row affected by the triggering statement.

ANSWER: FOR EACH ROW POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 394 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 91. _____ is the term used to describe an environment in which the SQL statement is not known in advance and is generated at run time.

Dynamic SQL ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 414 LEARNING OBJECTIVES: DATA.CORO.15.LO8-8 - LO8-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Embedded SQL KEYWORDS: Bloom's: Knowledge Essay 92. Explain the different basic types of join operations. What are they and how do they work?

ANSWER: Join operations can be classified as inner joins and outer joins. The inner join is the traditional join in which only rows that meet a given criterion are selected. The join criterion can be an equality condition (also called a natural join or an equijoin) or an inequality condition (also called a theta join.) An outer join returns not only the matching rows but the rows with unmatched attribute values for one table or both tables to be joined. The SQL standard also introduces a special type of join, called a cross join, that returns the same result as the Cartesian product of two sets or tables.

POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 341 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Join Operators Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL KEYWORDS:

Bloom's: Knowledge

93. What are the four different types of results that can be returned from a subquery?

ANSWER: A subquery can return one or more values.

One single value (one column and one row): This subquery is used anywhere a single value is expected, as in the right side of a comparison expression. An example is the preceding UPDATE subquery, in which an average price is assigned to the product’s price. When a value is assigned to an attribute, a single value is assigned and not a list of them. Therefore, the subquery must return only one value (one column, one row). If the query returns multiple values, the DBMS generates an error.

A list of values (one column and multiple rows): This type of subquery is used anywhere a list of values is expected, such as when using the IN clause—for example, when comparing the vendor code to a list of vendors. Again, in this case, there is only one column of data with multiple value instances. This type of subquery is used frequently in combination with the IN operator in a WHERE conditional expression.

A virtual table (multicolumn, multirow set of values): This type of subquery can be used anywhere a table is expected, such as when using the FROM clause.

The fourth result that a subquery can return is no value at all. It is called NULL. POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 351 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Knowledge 94. Describe the important features and applications of SQL functions ANSWER: SQL functions are very useful tools. Functions always use a numerical, date, or string value.

The value may be part of the command itself (a constant or literal) or it may be an attribute located in a table. Therefore, a function may appear anywhere in a SQL statement where a value or an attribute can be used. There are many types of SQL functions, such as arithmetic, trigonometric, string, date, and time functions.

These functions are useful when all employees need to be ordered by year of birth, or when a marketing department wants to generate a list of all customers ordered by zip code and the first three digits of their telephone numbers. In both of these cases, data elements that are not present as such in the database will be required; instead, an SQL function that can be derived from an existing attribute is required.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 361 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL TOPICS: KEYWORDS:

SQL Functions Bloom's: Comprehension

95. Describe the characteristics of an Oracle sequence.

ANSWER: - Oracle sequences are an independent object in the database, where sequences are not a data type.

- Oracle sequences have a name and can be used anywhere a value is expected.

- Oracle sequences are not tied to a table or a column.

- Oracle sequences generate a numeric value that can be assigned to any column in any table.

- The table attribute, to which a value based on a sequence is assigned, can be edited and modified.

- An Oracle sequence can be created and deleted anytime.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 383 LEARNING OBJECTIVES: DATA.CORO.15.LO8-6 - LO8-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Sequences KEYWORDS: Bloom's: Comprehension 96. How are triggers critical to proper database operation and management?

ANSWER: - Triggers can be used to enforce constraints that cannot be enforced at the DBMS design and implementation levels.

- Triggers add functionality by automating critical actions and providing appropriate warnings and suggestions for remedial action. In fact, one of the most common uses for triggers is to facilitate the enforcement of referential integrity.

- Triggers can be used to update table values, insert records in tables, and call other stored procedures.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 393 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Comprehension 97. Summarize the hierarchy of steps involved in creating and running an executable program with embedded SQL statements.

ANSWER: While the steps required to create and execute a program consisting of embedded SQL statements vary from one programming language to another, the following steps are considered as a general standard. a) The programmer writes embedded SQL code within the host language instructions. The code follows the standard syntax required for host language and embedded SQL. b) A preprocessor is used to transform the embedded SQL into specialized procedure calls that are DBMS-specific and language-specific. The preprocessor is provided by the DBMS vendor and is specific to the host language.

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Chapter 08: Advanced SQL c) The program is compiled using the host language compiler. The compiler creates an object code module for the program containing the DBMS procedure calls. d) The object code is linked to the respective library modules and generates the executable program. This process binds the DBMS procedure calls to the DBMS run-time libraries.

Additionally, the binding process typically creates an “access plan” module that contains instructions to run the embedded code at run time. e) The executable is run, and the embedded SQL statement retrieves data from the database.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 411 LEARNING OBJECTIVES: DATA.CORO.15.LO8-8 - LO8-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Embedded SQL KEYWORDS: Bloom's: Comprehension

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Chapter 09: Database Design 1. Systems analysis establishes the need for an information system and its extent. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 440 LEARNING OBJECTIVES: DATA.CORO.15.LO9-1 - LO9-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Information System KEYWORDS: Bloom's: Knowledge 2. The term “database development” is used to describe the process of database design and implementation. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 441 LEARNING OBJECTIVES: DATA.CORO.15.LO9-1 - LO9-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Information System KEYWORDS: Bloom's: Knowledge 3. The primary objective in database design is to create complete, normalized, nonredundant, and fully integrated conceptual, logical, and physical database models. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 441 LEARNING OBJECTIVES: DATA.CORO.15.LO9-1 - LO9-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Information System KEYWORDS: Bloom's: Knowledge 4. The implementation phase of database design includes creating the database storage structure and loading the database, but does not provide for data management. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 441 Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design LEARNING OBJECTIVES: DATA.CORO.15.LO9-1 - LO9-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Information System KEYWORDS: Bloom's: Knowledge 5. The Systems Development Life Cycle (SDLC) traces the history of an information system. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 6. The Systems Development Life Cycle (SDLC) provides the big picture within which the database design and application development can be mapped out and evaluated. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 7. The Systems Development Life Cycle (SDLC) is a sequential process rather than an iterative process. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 8. The Systems Development Life Cycle's (SDLC's) planning phase yields a general overview of the company and its objectives. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 9. The result of analysis phase of the Systems Development Life Cycle (SDLC) should be a better understanding of the system's functional areas, actual and potential problems, and opportunities. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 443 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 10. In the Systems Development Life Cycle (SDLC), problems defined during the planning phase are examined in greater detail during the analysis phase. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 11. The analysis phase of the Systems Development Life Cycle (SDLC) involves a cycle of coding, testing, and debugging. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 12. In the Systems Development Life Cycle(SDLC), the design of the system's processes begins in the detailed systems design phase. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Comprehension 13. In the detailed systems design phase of the Systems Development Life Cycle (SDLC), steps are laid out for the conversion of a database from an old system to a new system. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 14. Training principles and methodologies are planned during the implementation phase of the Systems Development Life Cycle (SDLC). a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15. DATA.CORO.15.LO9- - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 15. The detailed systems design phase of the Systems Development Life Cycle (SDLC) includes all the necessary technical specifications for the screens, menus, reports, and other devices used to make the system more efficient.

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Chapter 09: Database Design a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 16. During the implementation phase of the Systems Development Life Cycle (SDLC), the hardware, database management system (DBMS) software, and application programs are installed, and the database design is implemented. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 17. The database contents might be loaded interactively or in batch mode using a variety of methods and devices including customized user programs. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 18. The system is subjected to exhaustive testing during the testing phase of the Systems Development Life Cycle (SDLC). a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 445 Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 19. In the Systems Development Life Cycle (SDLC), after testing is concluded, end-user training is not necessary. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 445 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Comprehension 20. A system is always at some stage of SDLC because every request for structural changes requires retracing the steps of the Systems Development Life Cycle (SDLC). a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 445 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Comprehension 21. A system maintenance activity generated in response to changes in the business environment is referred to as corrective maintenance. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 445 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 22. The overall purpose of the database initial study is to create the conceptual design. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 446 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 23. To analyze the company situation, the database designer must discover what the company's operational components are, how they function, and how they interact. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 446 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 24. After the initial declarations in Database Life Cycle (DBLC), the database designer must carefully probe in order to generate additional information that will help define the problem within the larger framework of company operations. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 448 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 25. In most modern relational DBMSs, a new database implementation requires the creation of special storage-related constructs to house the end-user tables. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 26. The assignment of access rights may restrict operations on predetermined objects such as databases, tables, views, queries, and reports. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 27. Data integrity is enforced by the database management system (DBMS) through the proper use of primary and foreign key rules. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 28. The testing and evaluation phase of the Database Life Cycle (DBLC) occurs after applications programming. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 29. Database performance is one of the least important factors in all database implementations. a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 30. Evaluation of database performance is rendered easier by the fact there are no standards to measure it. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Comprehension 31. The main purpose of a backup is to guarantee database restoration following a hardware or software failure. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 455 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 32. The database administrator must be prepared to perform routine maintenance activities within the database. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 457 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design 33. Physical design becomes simpler when data is distributed at different locations. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 473 LEARNING OBJECTIVES: DATA.CORO.15.LO9-7 - LO9-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Physical Design KEYWORDS: Bloom's: Knowledge 34. Decentralized design is typical of relatively simple, small databases and can be successfully done by a single person. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 474 LEARNING OBJECTIVES: DATA.CORO.15.LO9-9 - LO9-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Centralized Versus Decentralized Design KEYWORDS: Bloom's: Comprehension 35. The process of creating an information system is known as _____. a. systems development b. database development c. network development d. enterprise development ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 440 LEARNING OBJECTIVES: DATA.CORO.15.LO9-1 - LO9-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Information System KEYWORDS: Bloom's: Knowledge 36. The traditional Systems Development Life Cycle (SDLC) is divided into _____ phases. a. two b. three c. four d. five ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 37. Discovery of user requirements, existing system evaluation, and logical system design are part of the _____ phase of the Systems Development Life Cycle (SDLC). a. planning b. analysis c. detailed systems design d. implementation ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 38. Coding, testing, and debugging are part of the _____ phase of the Systems Development Life Cycle (SDLC). a. planning b. analysis c. detailed systems design d. implementation ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 39. “Should the existing system be replaced?” is a question that is asked during the _____ stage of the Systems Development Life Cycle (SDLC). a. planning b. analysis c. implementation d. maintenance ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 443 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 40. “What are the requirements of the current system’s end users?” is a question asked during the _____ phase of the Systems Development Life Cycle (SDLC).

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Chapter 09: Database Design a. planning b. analysis c. implementation d. maintenance ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 443 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 41. The feasibility study during the planning phase of the Systems Development Life Cycle (SDLC) must address the: a. requirements of the current system’s end users. b. problems and constraints related to the company situation. c. questions about modification and replacement of existing system. d. technical aspects of hardware and software requirements.

ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 443 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Comprehension 42. The logical systems design is created during the _____ phase of the Systems Development Life Cycle (SDLC). a. planning b. analysis c. implementation d. maintenance ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 43. The database contents are loaded during the _____ phase of the Systems Development Life Cycle (SDLC). a. analysis b. detailed systems design c. implementation d. maintenance ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 44. In DBLC, the phase after the database initial study is _____. a. operation b. database design c. database initial study d. implementation and loading ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 445 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 45. The implementation of _____ applications tends to prolong the operational life of systems by making them easier to update and maintain. a. database-produced b. network-produced c. CASE-produced d. design-produced ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 445 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 46. The maintenance and evolution phase of the Database Life Cycle (DBLC) involves _____. a. defining objectives b. introducing changes c. testing the database d. installing the DBMS ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 446 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Comprehension 47. Selecting database management system (DBMS) software is part of the _____ phase of the Database Life Cycle (DBLC).

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Chapter 09: Database Design a. database initial study b. database design c. implementation and loading d. testing and evaluation ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 446 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Comprehension 48. Producing the required information flow is part of the _____ phase of the Database Life Cycle (DBLC). a. database initial study b. database design c. operation d. testing and evaluation ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 446 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Comprehension 49. _____ is a technique that creates logical representations of computing resources that are independent of the underlying physical computing resources. a. Normalization b. Virtualization c. Specialization d. Generalization ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 451 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 50. The implementation and loading phase of the Database Life Cycle (DBLC) involves _____. a. defining objectives b. introducing changes c. testing the database d. installing the DBMS ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design REFERENCES: p. 451 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Comprehension 51. In the context of the database design process, the conceptual design step that defines the fragmentation and allocation strategy is _____. a. database analysis and requirements b. ER modeling and normalization c. data model verification d. distributed database design ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 452 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 52. In the context of the database design process, the conceptual design step that determines end-user views, outputs, and transaction-processing requirements is _____. a. data analysis and requirements b. entity relationship modeling and normalization c. data model verification d. distributed database design ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 452 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 53. _____ can render data useless to unauthorized users who might have violated some of the database security layers. a. Data encryption b. Access rights c. Physical security d. Password security ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 54. Once the data has been loaded into the database, the _____ tests and fine-tunes the database for performance, integrity, concurrent access, and security constraints. a. programmer b. manager c. database administrator d. systems administrator ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 55. In a(n) _____, only the objects that have been updated or modified since the last full backup are backed up. a. transaction log backup b. conservative backup c. differential backup d. adaptive backup ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 455 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 56. Which of the following is a hardware-induced database failure? a. Memory chip errors b. Viruses c. Malware d. Abortion due to deadlock ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 456 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design TOPICS: KEYWORDS:

The Database Life Cycle Bloom's: Comprehension

57. The last step in the Database Life Cycle (DBLC) is _____. a. maintenance and evolution b. operation c. testing and evaluation d. implementation and loading ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 457 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 58. The first step in developing the conceptual model using ER diagrams is to _____. a. normalize the entities b. complete the initial ER diagram c. identify, analyze, and refine the business rules d. define the attributes, primary keys, and foreign keys for each of the entities ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 461 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Comprehension 59. The first step in the ER model verification process is to _____. a. identify each module and its components b. identify the ER model's central entity c. verify all processes against the ER model d. identify each module's internal transaction requirements ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 465 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Comprehension 60. _____ is the process of determining the data storage organization and data access characteristics of the database to ensure its integrity, security, and performance.

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Chapter 09: Database Design a. Conceptual design b. Network design c. Logical design d. Physical design ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 471 LEARNING OBJECTIVES: DATA.CORO.15.LO9-7 - LO9-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Physical Design KEYWORDS: Bloom's: Knowledge 61. During decentralized design, after the _____ has been completed, all modules are integrated into one conceptual model. a. declaration process b. verification process c. conceptual process d. logical process ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 476 LEARNING OBJECTIVES: DATA.CORO.15.LO9-9 - LO9-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Centralized Versus Decentralized Design KEYWORDS: Bloom's: Knowledge 62. A(n) _____ is a carefully designed and constructed repository of facts that is a part of a larger whole known as an information system.

ANSWER: database POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 440 LEARNING OBJECTIVES: DATA.CORO.15.LO9-1 - LO9-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Information System KEYWORDS: Bloom's: Knowledge 63. _____ is the process that establishes the need for, and the extent of, an information system.

ANSWER: Systems analysis POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 440 LEARNING OBJECTIVES: DATA.CORO.15.LO9-1 - LO9-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Information System KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design 64. The traditional Systems Development Life Cycle (SDLC) phases are _____, analysis, detailed systems design, implementation, and maintenance.

ANSWER: planning POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 65. An initial assessment of the information flow-and-extent requirements must be made during the _____ portion of the Systems Development Life Cycle (SDLC).

ANSWER: planning POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 66. After testing is concluded, the final _____ is reviewed and printed and end users are trained.

ANSWER: documentation POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 445 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 67. The advent of very sophisticated application generators and _____ has substantially decreased coding and testing time.

ANSWER: debugging tools POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 445 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 68. The system’s _____ defines the extent of the design according to operational requirements.

ANSWER: scope Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 446 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 69. The proposed system is subject to limits known as _____, which are external to the system.

ANSWER: boundaries POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 450 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 70. Making sure that the final product meets user and system requirements is the most critical _____ phase.

ANSWER: Database Life Cycle (DBLC) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 450 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 71. _____ are usually provided by the database management system (DBMS) to check for access violations.

ANSWER: Audit trails POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 72. Programmers use database tools to _____ the applications during coding of the programs.

ANSWER: prototype POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 73. _____ allow end users to access the database without being able to download the information from their workstations.

ANSWER: Diskless workstations POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 74. _____ allows the assignment of access rights to specific authorized users.

ANSWER: Password security POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 75. The _____ stage uses data modeling to create an abstract database structure that represents real-world objects in the most realistic way possible.

ANSWER: conceptual design POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 457 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Knowledge 76. The first step in _____ is to discover the data element characteristics.

ANSWER: conceptual design POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 459 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design 77. A designer must have a thorough understanding of the company's data types, extent, and uses in order to develop an accurate _____.

ANSWER: data model POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 459 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Knowledge 78. A _____ rule is a brief and precise narrative of a policy, procedure, or principle within a specific organization's environment.

ANSWER: business rule POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 459 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Knowledge 79. Because real-world database design is generally done by teams, the database design is probably divided into major components known as _____.

ANSWER: modules POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 464 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Knowledge 80. A _____ is an information system component that handles a specific business function, such as inventory, orders, or payroll.

ANSWER: module POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 464 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Knowledge 81. The term _____ describes the strength of the relationships found among a module’s entities.

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Chapter 09: Database Design ANSWER: cohesivity POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 466 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Knowledge 82. When selecting DBMS _____, items to consider include processors, RAM, and disk space.

ANSWER: hardware POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 467 LEARNING OBJECTIVES: DATA.CORO.15.LO9-5 - LO9-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Software Selection KEYWORDS: Bloom's: Knowledge 83. The _____ goal is to design an enterprise-wide database based on a specific data model but independent of physicallevel details.

ANSWER: logical design POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 468 LEARNING OBJECTIVES: DATA.CORO.15.LO9-6 - LO9-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Logical Design KEYWORDS: Bloom's: Knowledge 84. _____ could become a very technical job that affects not only the accessibility of the data in the storage device(s) but also the performance of the system.

ANSWER: Physical design POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 471 LEARNING OBJECTIVES: DATA.CORO.15.LO9-7 - LO9-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Physical Design KEYWORDS: Bloom's: Knowledge 85. List and briefly describe the three types of system maintenance activities.

ANSWER: The three types of maintenance activities are: 1. Corrective maintenance in response to systems errors.

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Chapter 09: Database Design 2. Adaptive maintenance due to changes in the business environment.

3. Perfective maintenance to enhance the system.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 445 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Comprehension 86. List and describe the different levels at which database backups can be performed.

ANSWER: A full backup, or dump, of the entire database. In this case, all database objects are backed up in their entirety.

A differential backup of the database, in which only the objects that have been updated or modified since the last full backup are backed up.

A transaction log backup, which backs up only the transaction log operations that are not reflected in a previous backup copy of the database. In this case, no other database objects are backed up.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 455 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Comprehension 87. What are the factors affecting the purchasing decision for DBMS software?

ANSWER: Cost: This includes the original purchase price, along with maintenance, operational, license, installation, training, and conversion costs.

DBMS features and tools: Some database software includes a variety of tools that facilitate application development. For example, the availability of query by example (QBE), screen painters, report generators, application generators, and data dictionaries helps to create a more pleasant work environment for both the end user and the application programmer.

Database administrator facilities, query facilities, ease of use, performance, security, concurrency control, transaction processing, and third-party support also influence DBMS software selection.

Underlying model: This can be hierarchical, network, relational, object/relational, or objectoriented.

Portability: A DBMS can be portable across platforms, systems, and languages.

POINTS: DIFFICULTY:

DBMS hardware requirements: Items to consider include processor(s), RAM, disk space, and so on.

1 Difficulty: Moderate

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Chapter 09: Database Design REFERENCES: p. 467 LEARNING OBJECTIVES: DATA.CORO.15.LO9-5 - LO9-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: DBMS Software Selection KEYWORDS: Bloom's: Comprehension 88. Explain the concept of logical design and list the steps involved.

ANSWER: Logical design is the second stage in the database design process. The logical design goal is to design an enterprise-wide database that is based on a specific data model but independent of physical-level details. Logical design requires that all objects in the conceptual model be mapped to the specific constructs used by the selected database model.

The logical design is generally performed in the following four steps: 1. Mapping the conceptual model to logical model components 2. Validating the logical model using normalization 3. Validating the logical model integrity constraints 4. Validating the logical model against user requirements POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 468 LEARNING OBJECTIVES: DATA.CORO.15.LO9-6 - LO9-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Logical Design KEYWORDS: Bloom's: Comprehension 89. What are the classical approaches to database design?

ANSWER: There are two classical approaches to database design: 1. Top-down design starts by identifying the data sets and then defines the data elements for each of those sets. This process involves the identification of different entity types and the definition of each entity’s attributes.

2. Bottom-up design first identifies the data elements (items) and then groups them together in data sets. In other words, it first defines attributes, and then groups them to form entities.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 473 LEARNING OBJECTIVES: DATA.CORO.15.LO9-8 - LO9-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Design Strategies KEYWORDS: Bloom's: Comprehension 90. Explain the differences between a centralized and decentralized approach to database design.

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Chapter 09: Database Design ANSWER:

Centralized design is productive when the data component has a relatively small number of objects and procedures. The design can be carried out and represented in a fairly simple database. Centralized design is typical of relatively simple, small databases and can be successfully done by a single database administrator or by a small, informal design team. The company operations and the scope of the problem are sufficiently limited to allow even a single designer to define the problem(s), create the conceptual design, verify the conceptual design with the user views, define system processes and data constraints to ensure the efficacy of the design, and ensure that the design will comply with all the requirements.

On the other hand, decentralized design might be used when the system’s data component has a considerable number of entities and complex relations on which very complex operations are performed. Decentralized design is also often used when the problem itself is spread across several operational sites and each element is a subset of the entire data set. In large and complex projects, the database typically cannot be designed by only one person.

Instead, a carefully selected team of database designers tackles a complex database project.

Within the decentralized design framework, the database design task is divided into several modules. Once the design criteria have been established, the lead designer assigns design subsets or modules to design groups within the team.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 474-475 LEARNING OBJECTIVES: DATA.CORO.15.LO9-9 - LO9-9 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Centralized Versus Decentralized Design KEYWORDS: Bloom's: Comprehension

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Chapter 10: Transaction Management and Concurrency Control True / False 1. Most real-world database transactions are formed by only one database request. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 484 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 2. Although the DBMS is designed to recover a database to a previous consistent state when an interruption prevents the completion of a required set of transactions, the transactions themselves are defined by the end user or programmer and must be semantically correct. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 486 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Comprehension 3. The DBMS guarantees that the semantic meaning of a transaction truly represents the real-world event. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 486 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 4. Atomicity indicates the permanence of the database's consistent state. a. True b. False ANSWER: False POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control DIFFICULTY: Difficulty: Easy REFERENCES: p. 487 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 5. Serializability means that data used during the execution of a transaction cannot be used by a second transaction until the first one is completed. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 487 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 6. Incomplete or improper transactions can have a devastating effect on database integrity. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 487 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 7. Durability requires that all portions of the transaction must be treated as a single, logical unit of work in which all operations are applied and completed to produce a consistent database. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 487 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control 8. The multiuser DBMS must implement controls to ensure serializability and isolation of transactions, in addition to atomicity and durability, in order to guard the database's consistency and integrity. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 488 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 9. The phenomenon of uncommitted data occurs when two transactions are executed concurrently and the first transaction is rolled back after the second transaction has already accessed the uncommitted data—thus violating the isolation property of transactions. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 491 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Comprehension 10. The scheduler establishes the order in which the operations within concurrent transactions are executed. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 494 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 11. A scheduler facilitates data isolation to ensure that two transactions do not update the same data element at the same time. a. True b. False ANSWER: True POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control DIFFICULTY: Difficulty: Easy REFERENCES: p. 495 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 12. A lock guarantees the open use of a data item to multiple transactions. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 495 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 13. In a page-level lock, the DBMS will lock an entire diskpage. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 497 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 14. A field-level lock allows concurrent transactions to access the same row, as long as they require the use of different fields within that row. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 498 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 15. A shared lock produces no conflict as long as all the concurrent transactions are read-write only.

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Chapter 10: Transaction Management and Concurrency Control a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 499 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 16. A growing phase in a two-phase lock is when a transaction acquires all the required locks without locking any data. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 500 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 17. Timestamps must only have the single property of uniqueness. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 502 LEARNING OBJECTIVES: DATA.CORO.15.LO10-4 - LO10-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Time Stamping Methods KEYWORDS: Bloom's: Knowledge 18. Time stamping demands a lot of system resources because many transactions might have to be stopped, rescheduled, and stamped. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 502 LEARNING OBJECTIVES: DATA.CORO.15.LO10-4 - LO10-4 Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Time Stamping Methods KEYWORDS: Bloom's: Knowledge 19. An optimistic approach is based on the assumption that the majority of the database operations do not conflict. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 503 LEARNING OBJECTIVES: DATA.CORO.15.LO10-5 - LO10-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Time Stamping Methods KEYWORDS: Bloom's: Knowledge 20. When using an optimistic approach, during the read phase, a transaction reads the database, executes the needed computations, and makes the updates to a private copy of the database values. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 504 LEARNING OBJECTIVES: DATA.CORO.15.LO10-5 - LO10-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Concurrency Control with Time Stamping Methods KEYWORDS: Bloom's: Comprehension 21. The serializable isolation level is the least restrictive level defined by the ANSI SQL standard. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 505 LEARNING OBJECTIVES: DATA.CORO.15.LO10-6 - LO10-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: ANSI Level of Transaction Isolation KEYWORDS: Bloom's: Knowledge 22. The reason for the different levels of isolation is to increase transaction concurrency. a. True b. False ANSWER: True Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 505 LEARNING OBJECTIVES: DATA.CORO.15.LO10-6 - LO10-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: ANSI Level of Transaction Isolation KEYWORDS: Bloom's: Knowledge 23. The transaction recovery write-ahead-log protocol ensures that transaction logs are always written before any database data are actually updated. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 506 LEARNING OBJECTIVES: DATA.CORO.15.LO10-7 - LO10-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Recovery Management KEYWORDS: Bloom's: Knowledge 24. The last step in the write-through technique recovery procedure is to identify the last checkpoint in the transaction log. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 507 LEARNING OBJECTIVES: DATA.CORO.15.LO10-7 - LO10-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Recovery Management KEYWORDS: Bloom's: Knowledge Multiple Choice 25. Transaction is a ____ unit of work that must be either entirely completed or aborted a. time b. practical c. logical d. physical ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 484 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 26. A consistent database state is ___ a. one in which all tables have foreign keys b. one in which all data integrity constraints are satisfied c. one in which all table are normalized d. one in which all SQL statements only update one table at a time ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 484 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 27. _____ requires that all operations of a transaction be completed. a. Specificity b. Atomicity c. Durability d. Time stamping ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 484 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 28. _____ means that data used during the execution of a transaction cannot be used by a second transaction until the first one is completed. a. Serializability b. Atomocity c. Isolation d. Time stamping ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 487 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control TOPICS: KEYWORDS:

What is a Transaction?

Bloom's: Knowledge

29. A single- user database system automatically ensures_____ of the database, because only one transaction is executed at a time. a. serializability and durability b. atmocity and isolation c. serializability and Isolation d. atomicity and serializability ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 488 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Comprehension 30. The ANSI ha define standard that govern SQL database transactions. Transaction support is provided by two SQL statements____ and ROLLBACK. a. RETRIEVE b. ASSIGN c. UPDATE d. COMMIT ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 488 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 31. ANSI ha defines four events that signal the end of a transaction. Of the following events, which is defined by ANSI as being equivalent to a COMMIT? a. Five SQL statements are executed. b. The end of a program is successfully reached. c. The program is abnormally terminated. d. The database is shut down for maintenance ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 488 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control TOPICS: KEYWORDS:

What is a Transaction?

Bloom's: Knowledge

32. The ANSI ha define standard that govern SQL database transactions. Of the following events, which is defined by ANSI as being equivalent to a ROLLBACK? a. Five SQL statements are executed. b. The end of a program is successfully reached. c. The program is abnormally terminated. d. The database is shut down for maintenance.

ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 488 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 33. The implicit beginning of a transaction is ___ a. when database is started b. when a table is accessed for the first time c. when the first SQL statement is encountered d. when the COMMIT command is issued ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 489 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 34. The information stored in the ___ is used by the DBMS for a recovery requirement triggered by a ROLLBACK statement, a program's adnormal termination, or a system failure such as a network discrepancy or a disk crash a. data dictionary b. metadata c. rollback manager d. transaction log ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 489 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control TOPICS: KEYWORDS:

What is a Transaction?

Bloom's: Knowledge

35. One of the three most common data integrity and consistency problem is ___. a. lost updates b. disk failures c. user errors d. deadlocks ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 490 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 36. _____ occurs when a transaction accesses data before and after one or more other transactions finish working with such data. a. Inconsistent retrievals b. The phenomena of uncommitted data c. lost update problems d. Dirty read problems ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 492 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 37. As long as two transactions, T1 and T2, access ____ data, there is no conflict, and the order of execution is irrelevant to the final outcome. a. shared b. common c. unrelated d. locked ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 494 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control TOPICS: KEYWORDS:

Concurrency Control Bloom's: Knowledge

38. ___ are required to prevent another transaction form reading inconsistent data a. Locks b. Schedules c. Stamps d. Logs ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 495 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 39. The ___ manager is responsible for assigning and policing the locks used by transactions. a. transaction b. database c. lock d. schedule ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 495 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 40. Lock_____ indicates the level of lock use. a. granularity b. shrinking c. growing d. serializability ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 496 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control 41. A ____lock locks the entire table preventing access to any row by a transaction while another transaction is using the table. a. database-level b. table-level c. page-level d. row-level ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 496 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 42. A ____lock locks the entire diskpage. a. transaction-level b. table-level c. page-level d. row-level ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 497 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 43. A diskpage, or page, is the equivalent of a ___. a. database table b. disk sector c. database schema d. diskblock ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 497 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 44. A_____ allows concurrent transactions to access different rows of the same table.

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Chapter 10: Transaction Management and Concurrency Control a. database table b. table-level c. page-level d. row-level ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 498 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 45. A(n)_____ specifically reserves access to the transaction that locked the object. a. shared lock b. exclusive lock c. binary lock d. deadlock ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 499 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 46. A(n)_____ lock exists when concurrent transactions are granted read access on the basis of a common lock a. shared b. exclusive c. binary d. two-phase ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 499 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 47. What is a rule that applies to the two-phase locking protocol. a. two transaction cannot have conflicting lock. b. no unlock operation can precede a lock operation in a different transaction.

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Chapter 10: Transaction Management and Concurrency Control c. no data is affected until all locks are released. d. no data is affected until the transaction is in its locked position ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 500 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 48. A(n) ____ phase in a two phase lock is when transaction releases all locks and cannot obtain any new lock. a. growing b. shrinking c. locking d. unlocking ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 500 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 49. A(n) ____ condition occurs when two or more transactions wait for ach other to unlock data. a. deadlock b. exclusive lock c. binary lock d. two-phase lock ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 500 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 50. The _____ approach to scheduling concurrent transactions assigns a global unique stamp to each transaction. a. scheduled b. table-locking c. unique d. timestamping Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 502 LEARNING OBJECTIVES: DATA.CORO.15.LO10-4 - LO10-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 51. In the wait/die scheme,: a. the older transaction rolls back the younger transaction and reschedule it b. the younger, preempted transaction is rescheduled using the same time stamp. c. the older transaction wait for the younger one to complete and release its locks. d. both younger and older transactions wait indefinitely to be released.

ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 503 LEARNING OBJECTIVES: DATA.CORO.15.LO10-4 - LO10-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 52. In the optimistic approach, during the____ phase, a transaction scans the database, executes the needed computations, and makes the updates to a private copy of the database values. a. read b. validation c. write d. shared ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 504 LEARNING OBJECTIVES: DATA.CORO.15.LO10-5 - LO10-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 53. In the optimistic approach, during the____ phase, changes are permanently applied to the database. a. read b. validation c. write d. shared ANSWER: c Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 504 LEARNING OBJECTIVES: DATA.CORO.15.LO10-5 - LO10-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 54. The _____ isolation level ensures that queries return consistent results. a. read uncommitted b. read committed c. serializable d. repeatable read ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 504 LEARNING OBJECTIVES: DATA.CORO.15.LO10-6 - LO10-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 55. A(n) _______ occurs when a transaction executes a query at time T1, and it runs the same query at same time T2, yielding additional rows that satisfy the query a. phantom read b. dirty read c. uncommitted dependency d. nonrepeatable read ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 504 LEARNING OBJECTIVES: DATA.CORO.15.LO10-6 - LO10-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge Completion 56. Although the DBMS is designed to recover a database to a previous consistent state when an interruption prevents the completion of a required set of transactions, the transactions themselves are defined by the end user or programmer and must be _____ correct.

ANSWER: semantically POINTS: 1 DIFFICULTY: Difficulty: Moderate Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control REFERENCES: p. 486 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Comprehension 57. If a(n) _____ is issued before the termination of a transaction, the DBMS will restore the database only for that particular transaction, rather than for all transactions, in order to maintain the durability of the previous transactions.

ANSWER: ROLLBACK POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 489 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Comprehension 58. The objective of _____ control is to ensure the serializability of transactions in a multiuser database environment.

ANSWER: concurrency POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 490 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 59. The _____ occurs when two concurrent transactions, T1 and T2, are updating the same data element and one of the updates is lost.

ANSWER: lost update problem POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 490 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 60. The scheduler’s main job is to create a(n) _____ of a transaction’s operation, in which the interleaved executions of transactions yield the same results as if the transactions were executed in serial order.

ANSWER: serializable schedule POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 494 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 61. The _____ interleaves the execution of database operations to ensure serializability.

ANSWER: scheduler POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 494 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 62. To determine the appropriate order of the operations, the scheduler bases its actions on concurrency control algorithms, such as _____ or time stamping methods.

ANSWER: locking POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 494 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 63. Most multiuser _____ automatically initiate and enforce locking procedures, where all locking information is managed by the lock manager.

ANSWER: DBMSs database management systems database management systems (DBMSs) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 495 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 64. _____ can take place at any of the following levels: database, table, page, row, or field.

ANSWER: Locking POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 496 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control TOPICS: KEYWORDS:

Concurrency Control with Locking Methods Bloom's: Knowledge

65. _____-level locks are less restrictive than database-level locks, but they create traffic jams when many transactions are waiting to access the same table.

ANSWER: Table POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 496 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 66. As a rule, a(n) _____ must unlock the object after its termination.

ANSWER: transaction POINTS: 1 DIFFICULTY: Difficulty: Easy LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 67. The _____ rule states that only one transaction at a time can own an exclusive lock on the same object.

ANSWER: mutual exclusive POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 499 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 68. If T1 has not unlocked data item Y, T2 cannot begin; if T2 has not unlocked data item X, T1 cannot continue.

Consequently, T1 and T2 each wait for the other to unlock the required data item. Such a deadlock is also known as a(n) _____.

ANSWER: deadly embrace POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 500-501 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control 69. Uniqueness ensures that no equal time stamp values can exist, and _____ ensures that time stamp values always increase.

ANSWER: monotonicity POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 502 LEARNING OBJECTIVES: DATA.CORO.15.LO10-4 - LO10-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 70. In a heavily used database management system (DBMS), the prevention and detection of _____ constitutes an important DBMS function.

ANSWER: deadlocks POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 504 LEARNING OBJECTIVES: DATA.CORO.15.LO10-5 - LO10-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 71. _____ ensure that a disk physical failure will not impair the DBMS's ability to recover data.

ANSWER: Redundant transaction logs POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 506 LEARNING OBJECTIVES: DATA.CORO.15.LO10-7 - LO10-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Recovery Management KEYWORDS: Bloom's: Knowledge 72. Database transaction _____ restores a database from an inconsistent state to a previously consistent state.

ANSWER: recovery POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 506 LEARNING OBJECTIVES: DATA.CORO.15.LO10-7 - LO10-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Recovery Management KEYWORDS: Bloom's: Knowledge Essay 73. What is transaction isolation and why it is important?

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Chapter 10: Transaction Management and Concurrency Control ANSWER:

Isolation means that the data used during the execution of a transaction cannot be used by a second transaction until the first one is completed. In other words, if transaction T1 is being executed and is using the data item X, that data item cannot be accessed by any other transaction (T2 ... Tn) until T1 ends. This property is particularly useful in multiuser database environments because several users can access and update the database at the same time.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 487 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Comprehension 74. Explain the transaction log. What is its function?

ANSWER: A DBMS uses a transaction log to keep track of all transactions that update the database. The DBMS uses the information stored in this log for a recovery requirement triggered by a ROLLBACK statement, a program’s abnormal termination, or a system failure such as a network discrepancy or a disk crash.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 489 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Comprehension 75. How does a shared/exclusive lock schema increase the lock manager’s overhead?

ANSWER: The type of lock held must be known before a lock can be granted.

Three lock operations exist: READ_LOCK to check the type of lock, WRITE_LOCK to issue the lock, and UNLOCK to release the lock.

The schema has been enhanced to allow a lock upgrade from shared to exclusive and a lock downgrade from exclusive to shared.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 500 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Comprehension 76. What are the three basic techniques to control deadlocks?

ANSWER: 1. Deadlock prevention. A transaction requesting a new lock is aborted when there is the possibility that a deadlock can occur. If the transaction is aborted, all changes made by this transaction are rolled back and all locks obtained by the transaction are released. The transaction is then rescheduled for execution. Deadlock prevention works because it avoids the conditions that lead to deadlocking.

2. Deadlock detection. The DBMS periodically tests the database for deadlocks. If a Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control deadlock is found, the “victim” transaction is aborted (rolled back and restarted) and the other transaction continues.

3. Deadlock avoidance. The transaction must obtain all of the locks it needs before it can be executed. This technique avoids the rolling back of conflicting transactions by requiring that locks be obtained in succession. However, the serial lock assignment required in deadlock avoidance increases action response times.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 502 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Comprehension 77. What are database checkpoints?

ANSWER: Database checkpoints are operations in which the DBMS writes all of its updated buffers to disk. While this is happening, the DBMS does not execute any other requests. A checkpoint operation is also registered in the transaction log. As a result of this operation, the physical database and the transaction log will be in sync. This synchronization is required because update operations update the copy of the data in the buffers and not in the physical database.

Checkpoints are automatically scheduled by the DBMS several times per hour. Checkpoints also play an important role in transaction recovery POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 507 LEARNING OBJECTIVES: DATA.CORO.15.LO10-7 - LO10-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Recovery Management KEYWORDS: Bloom's: Comprehension 78. How do transaction recovery procedures use the deferred-write and write-through techniques to recover transactions?

ANSWER: The database recovery process involves bringing the database to a consistent state after a failure. Transaction recovery procedures generally make use of deferred-write and writethrough techniques.

When the recovery procedure uses a deferred-write technique, the transaction operations do not immediately update the physical database. Instead, only the transaction log is updated.

The database is physically updated only after the transaction reaches its commit point, using information from the transaction log. If the transaction aborts before it reaches its commit point, no changes need to be made to the database because it was never updated. The recovery process for all started and committed transactions follows these steps: 1. Identify the last checkpoint in the transaction log. This is the last time transaction data were physically saved to disk.

2. For a transaction that started and was committed before the last checkpoint, nothing needs to be done because the data are already saved.

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Chapter 10: Transaction Management and Concurrency Control 3. For a transaction that performed a commit operation after the last checkpoint, the DBMS uses the transaction log records to redo the transaction and update the database, using the “after” values in the transaction log. The changes are made in ascending order, from oldest to newest.

4. For any transaction that had a ROLLBACK operation after the last checkpoint or that was left active before the failure occurred, nothing needs to be done because the database was never updated.

When the recovery procedure uses a write-through technique, the database is immediately updated by transaction operations during the transaction’s execution, even before the transaction reaches its commit point. If the transaction aborts before it reaches its commit point, a ROLLBACK or undo operation needs to be done to restore the database to a consistent state. In that case, the ROLLBACK operation will use the transaction log “before” values. The recovery process follows these steps: 1. Identify the last checkpoint in the transaction log. This is the last time transaction data were physically saved to disk.

2. For a transaction that started and was committed before the last checkpoint, nothing needs to be done because the data are already saved.

3. For a transaction that was committed after the last checkpoint, the DBMS redoes the transaction, using the “after” values of the transaction log. Changes are applied in ascending order, from oldest to newest.

4. For any transaction that had a ROLLBACK operation after the last checkpoint or that was left active before the failure occurred, the DBMS uses the transaction log records to ROLLBACK or undo the operations, using the “before” values in the transaction log.

Changes are applied in reverse order, from newest to oldest.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 507-508 LEARNING OBJECTIVES: DATA.CORO.15.LO10-7 - LO10-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Recovery Management KEYWORDS: Bloom's: Comprehension

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Chapter 11: Database Performance Tuning and Query Optimization 1. One of the main functions of a database system is to provide timely answers to end users. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 516 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 2. Good database performance is easy to evaluate. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 516 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 3. All factors must be checked to ensure that each system component operates at its optimum level and has sufficient resources to minimize the occurrence of bottlenecks. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 516 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 4. Good database performance starts with good database design. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 516 Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 5. DBMS implementations are typically similar in complexity to two-tier client/server configurations. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 518 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 6. A data file can contain rows from a single table alone. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 518 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 7. The data cache caches system catalog data and the contents of the indexes. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 8. The SQL cache stores the end-user written SQL. a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 9. To work with data, the DBMS must retrieve the data from permanent storage and place it in RAM. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 10. The purpose of an I/O operation is to move data to and from different computer components or devices. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 11. Working with data in the data cache is many times faster than working with data in the data files. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization 12. Fully equivalent means that the optimized query results are always the same as the original query. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 523 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge 13. The SQL execution activities are performed by the query optimizer. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 523 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge 14. All transaction management commands are processed during the parsing and execution phases of query processing. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 524 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge 15. An index scan is less efficient than a full table scan. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 526 Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 16. Indexes do not facilitate join operations. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 526 LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 17. Using index characteristics, a database designer can determine the best type of index to use. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 527 LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 18. A cost-based optimizer uses a set of preset rules and points to determine the best approach to execute a query. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 528 LEARNING OBJECTIVES: DATA.CORO.15.LO11-4 - LO11-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 19. The primary factor in determining the most efficient access plan is the I/O cost. a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 529 LEARNING OBJECTIVES: DATA.CORO.15.LO11-4 - LO11-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Optimizer Choices KEYWORDS: Bloom's: Comprehension 20. Most current-generation relational DBMSs perform automatic query optimization at the client end. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: 531 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Knowledge 21. Indexes are very useful in small tables or tables with low sparsity. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 532 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Knowledge 22. Character field comparisons are faster than numeric, date, and NULL comparisons. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 533 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization 23. In-memory database systems are optimized to store small portions of the database in disk storage alone. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 536 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 24. DBMS performance tuning includes global tasks such as managing the DBMS processes in primary memory and managing the structures in physical storage. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 536 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 25. Maximizing disk contention is one of the general recommendations for the physical storage of databases. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 537 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 26. RAID systems use a single disk to create storage volumes. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 537 Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 27. On the client side, the objective is to generate an SQL query that returns a correct answer in the least amount of time, using a minimum amount of resources at the server end. The activities required to achieve this goal are commonly referred to as _____ tuning. a. client SQL b. database SQL c. SQL performance d. DBMS performance ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 517 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 28. On the server side, the database environment must be properly configured to respond to clients' requests in the fastest way possible, while making optimum use of existing resources. The activities required to achieve this goal are commonly referred to as _____ tuning. a. client and server b. database SQL c. SQL performance d. DBMS performance ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 517 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 29. When moving data from permanent storage to RAM, an I/O disk operation retrieves: a. an entire table. b. an entire physical disk block. c. only the row containing the attribute requested. d. only the attribute which was requested.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization 30. A DBA determines the initial size of the data files that make up the database; however, as required, the data files can automatically expand in predefined increments known as _____. a. procedure cache b. buffer cache c. supplements d. extends ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 31. A(n) _____ is a logical grouping of several data files that store data with similar characteristics. a. procedure cache b. table space c. data cache d. listener ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 32. A system table space, a user data table space, an index table space, and a temporary table space are examples of _____. a. procedure caches b. file groups c. data caches d. operation modes ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 33. The data cache is where the data read from the database data files are stored _____ the data have been read or _____ the data are written to the database data files. a. after; before b. after; after c. before; before d. before; after ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 34. To work with data, a DBMS must retrieve the data from _____ and place them in _____. a. data files; procedure cache b. RAM; data cache c. permanent storage; RAM d. temporary files; procedure cache ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 35. The data cache or _____ is a shared, reserved memory area that stores the most recently accessed data blocks in RAM. a. buffer cache b. procedure cache c. SQL cache d. permanent storage ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 36. The _____ is a shared, reserved memory area that stores the most recently executed SQL statements or PL/SQL procedures, including triggers and functions. a. buffer cache b. procedure cache c. data cache d. permanent storage ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 37. The _____ process analyzes SQL queries and finds the most efficient way to access data. a. optimizer b. scheduler Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization c. listener d. user ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 520 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 38. To generate database object statistics manually, following syntax should be used in Oracle: _____. a. ANALYZE <TABLE/INDEX> object_name; b. CREATE <TABLE/INDEX> object_name; c. ANALYZE <TABLE/INDEX> object_name COMPUTE STATISTICS; d. CREATE <TABLE/INDEX> object_name COMPUTE STATISTICS; ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 522 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Comprehension 39. Automatic query optimization means that the: a. optimization takes place at compilation time by the b. DBMS finds the most cost-effective access path programmer. without user intervention. c. optimization process is scheduled and selected by the d. database access strategy is defined when the end user or programmer. program is executed.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 520 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 40. The DBMS _____ the SQL query and chooses the most efficient access/execution plan. a. parses b. executes c. fetches d. processes ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization REFERENCES: p. 522 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge 41. Which of the following is the first step of query processing at the DBMS server end? a. Executing b. Parsing c. Fetching d. Delivering ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 522 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge 42. The DBMS _____ the data and sends the result set back to the client. a. parses b. executes c. fetches d. processes ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 522 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge 43. If there is no index, the DBMS will perform a _____ scan. a. loop b. range c. row ID table access d. full table ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 527 LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 44. _____ refers to the number of different values a column could possibly have. a. Database statistics b. Data sparsity Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization c. A bitmap index d. Clustering ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 527 LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 45. Bitmap indexes tend to use less space than a _____ because they use bits instead of bytes to store their data. a. hash index b. sparse index c. B-tree index d. reverse index ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 527 LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 46. Knowing the sparsity of a column helps you decide whether the use of _____ is appropriate. a. query processing b. query optimization c. an index d. a full table scan ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 527 LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 47. _____ is the central activity during the parsing phase in query processing. a. Clustering b. Partitioning c. Query validation d. Query optimization ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 528 LEARNING OBJECTIVES: DATA.CORO.15.LO11-4 - LO11-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Optimizer Choices Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization KEYWORDS:

Bloom's: Knowledge

48. When setting optimizer hints, _____ instructs the optimizer to minimize the overall execution time, that is, to minimize the time it takes to return the total number of rows in the query result set. This hint is generally used for batch mode processes. a. ALL_ROWS b. FIRST_ROWS c. INDEX(P_QOH_NDX) d. OPTIMIZATION_ROWS ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 531 LEARNING OBJECTIVES: DATA.CORO.15.LO11-4 - LO11-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Optimizer Choices KEYWORDS: Bloom's: Comprehension 49. In standard SQL, the optimizer hint FIRST_ROWS is generally used for _____ mode processes. a. batch b. interactive c. transaction d. real-time ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 531 LEARNING OBJECTIVES: DATA.CORO.15.LO11-4 - LO11-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Optimizer Choices KEYWORDS: Bloom's: Knowledge 50. In standard SQL, the optimizer hint ALL_ROWS is generally used for _____ mode processes. a. interactive b. real-time c. batch d. transaction ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 531 LEARNING OBJECTIVES: DATA.CORO.15.LO11-4 - LO11-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Optimizer Choices KEYWORDS: Bloom's: Knowledge 51. The LIKE conditional operator is used by the _____ OPERAND1. a. P_PRICE b. V_STATE c. P_QOH d. V_CONTACT ANSWER: d POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization DIFFICULTY: Difficulty: Easy REFERENCES: p. 533 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Knowledge 52. The _____ must be set large enough to permit as many data requests to be serviced from cache as possible. a. data cache b. SQL cache c. sort cache d. optimizer mode ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 536 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 53. The majority of primary memory resources will be allocated to the _____ cache. a. data b. SQL c. sort d. optimizer ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 536 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 54. The _____ cache is used as a temporary storage area for ORDER BY or GROUP BY operations, as well as for indexcreation functions. a. data b. SQL c. sort d. optimizer ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 536 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 55. From the performance point of view, _____ databases eliminate disk access bottlenecks.

Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization a. RAID b. distributed c. index-organized d. in-memory ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 536 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 56. The _____ table space is used for transaction-recovery purposes. a. system b. user data c. temporary d. rollback segment ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 537 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 57. In the context of RAID levels, _____ refers to writing the same data blocks to separate drives. a. striping b. mirroring c. partitioning d. aggregating ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 537 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 58. The _____ table space is used to store the data dictionary tables. a. system b. user data c. temporary d. rollback segment ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 537 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization TOPICS: KEYWORDS:

DBMS Performance Tuning Bloom's: Knowledge

59. In the context of RAID levels, striped arrays provide: a. increased read performance and fault tolerance. b. increased fault tolerance but decreased performance. c. increased read performance but no fault tolerance. d. neither fault tolerance nor good performance.

ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 537 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 60. In RAID level 5,: a. the data and the parity data are striped across b. the data blocks are spread over separate drives and separate drives. are duplicated. c. the array requires a minimum of two drives and is d. the array requires a minimum of five drives and is known as a striped array. known as duplexing.

ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 537 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Comprehension 61. End users and the DBMS interact through the use of _____ to generate information.

ANSWER: queries POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 516 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 62. A system will perform best when its hardware and software resources are _____.

ANSWER: optimized POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 516 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 63. Database _____ activities can be divided into those taking place either on the client side or on the server side.

ANSWER: performance tuning POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 517 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 64. _____ is another name for table space.

ANSWER: File group POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 65. A(n) _____ request is a low-level read or write data access operation to or from computer devices.

ANSWER: input/output I/O POINTS: 1 DIFFICULTY: Difficutly: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 66. DBMS query processing has _____ phases.

ANSWER: 3 three POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 522 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization 67. The _____ analyzes the SQL query and finds the most efficient way to access the data.

ANSWER: query optimizer POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 523 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge 68. Once an SQL statement is transformed, the DBMS creates what is commonly known as a(n) _____ plan.

ANSWER: access execution POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 524 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge 69. _____ are ordered sets of values that are crucial in speeding up data access.

ANSWER: Indexes POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 526 LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 70. A _____ is good for simple and fast lookup operations based on equality conditions. hash index ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 527 LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 71. _____ is evaluated based on client perspective.

SQL performance tuning ANSWER: POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization DIFFICULTY: Difficulty: Easy REFERENCES: p. 531 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Knowledge 72. _____ is a measure of the likelihood that an index will be used in query processing.

ANSWER: Index selectivity POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 532 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Knowledge 73. _____ is an index based on a specific SQL function or expression. function-based index ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 532 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Knowledge 74. A conditional expression is normally expressed within the _____ or HAVING clauses of a SQL statement.

ANSWER: WHERE POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 533 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Knowledge 75. ______ helps provide a balance between performance and fault tolerance.

ANSWER: RAID Redundant array of independent disks RAID (redundant array of independent disks) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 537 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 76. The _____ table space is the most frequently accessed table space and should be stored in its own volume.

ANSWER: system POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 537 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 77. List and describe some typical DBMS processes.

ANSWER: Listener: The listener process listens for clients’ requests and handles the processing of the SQL requests to other DBMS processes. Once a request is received, the listener passes the request to the appropriate user process.

User: The DBMS creates a user process to manage each client session. Therefore, when users log on to the DBMS, they are assigned a user process. This process handles all requests the users submit to the server. There are many user processes—at least one per logged-in client.

Scheduler: The scheduler process organizes the concurrent execution of SQL requests.

Lock manager: This process manages all locks placed on database objects, including disk pages.

Optimizer: The optimizer process analyzes SQL queries and finds the most efficient way to access the data.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 519-520 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Performance-Tuning Cconcepts KEYWORDS: Bloom's: Comprehension 78. Describe query optimization and the modes that an optimizer can operate in.

ANSWER: Query optimization is the central activity during the parsing phase in query processing. In this phase, the DBMS must choose what indexes to use, how to perform join operations, which table to use first, and so on. Each DBMS has its own algorithms for determining the most efficient way to access the data. The query optimizer can operate in one of two modes: A rule-based optimizer uses preset rules and points to determine the best approach to execute a query. The rules assign a “fixed cost” to each SQL operation; the costs are then added to yield the cost of the execution plan. For example, a full table scan has a set cost of 10, while a table access by row ID has a set cost of 3.

A cost-based optimizer uses sophisticated algorithms based on statistics about the objects Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization being accessed to determine the best approach to execute a query. In this case, the optimizer process adds up the processing cost, the I/O costs, and the resource costs (RAM and temporary space) to determine the total cost of a given execution plan.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 528-529 LEARNING OBJECTIVES: DATA.CORO.15.LO11-4 - LO11-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Optimizer Choices KEYWORDS: Bloom's: Comprehension 79. Why do we need to optimize a DBMS with SQL performance tuning, even though they automatically optimize SQL queries?

ANSWER: There is considerable room for improvement since the DBMS uses general optimization techniques rather than focus on specific techniques dictated by the special circumstances of the query execution. A poorly written SQL query can, and usually will, bring the database system to its knees from a performance point of view. The majority of current database performance problems are related to poorly written SQL code. Therefore, although a DBMS provides general optimizing services, a carefully written query almost always outperforms a poorly written one.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 531 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Comprehension 80. How can queries be written to perform the fastest when equality and inequality comparisons are needed?

ANSWER: Equality comparisons are generally faster than inequality comparisons. For example, P_PRICE = 10.00 is processed faster because the DBMS can do a direct search using the index in the column. If there are no exact matches, the condition is evaluated as false.

However, if an inequality symbol (>, >=, <, <=) is used, the DBMS must perform additional processing to complete the request, because there will almost always be more “greater than” or “less than” values in the index than “equal” values. With the exception of NULL, the slowest of all comparison operators is LIKE with wildcard symbols, as in V_CONTACT LIKE “%glo%”. Also, using the “not equal” symbol (<>) yields slower searches, especially when the sparsity of the data is high—that is, when there are many more different values than there are equal values.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 533 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Comprehension

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Chapter 11: Database Performance Tuning and Query Optimization 81. Summarize the steps required to formulate a query.

ANSWER: Queries are usually written to answer questions. In order to formulate a query, the following steps are used. a) Identify what columns and computations are required: The first step is needed to determine those required data values that are to be returned. For example, one must determine if names and addresses alone need to be returned or is there a need to include computations as well while returning the output. Another important note in the first step is that the columns in the SELECT statement should return single values. b) Identify the source tables: Once the required columns are identified, the source tables used in the query can be determined. If certain attributes appear in more than one table try to use the least number of tables in the query to minimize the number of join operations. c) Determine how to join the tables: Once the tables needed in the query statement are determined, one needs to properly identify how to join the tables. In most cases, a natural join is used, but occasionally an outer join is used. d) Determine what selection criteria is used: Most queries involve some type of selection criteria. In this case, the operators and operands that are needed by the criteria are determined. The correct data type and the granularity of data in the comparison of criteria need to be ensured. e) Determine the order in which to display the output: In the final stage, the required output might be ordered by one or more columns. The ORDER BY clause is particularly used to order the required output in this way but is a very resourceintensive operation for the DBMS. POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 535 LEARNING OBJECTIVES: DATA.CORO.15.LO11-6 - LO11-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Query Formulation KEYWORDS: Bloom's: Comprehension 82. How should storage volumes be allocated for indexes, system, and high-usage tables?

ANSWER: Assign separate data files in separate storage volumes for the indexes, system, and highusage tables. This ensures that index operations will not conflict with end-user data or data dictionary table access operations. Another advantage of this approach is that different disk block sizes in different volumes can be used. For example, the data volume can use a 16 K block size, while the index volume can use an 8 K block size. Remember that the index record size is generally smaller, and by changing the block size, contention is reduced and I/O operations are minimized. This is very important; many database administrators overlook indexes as a source of contention. By using separate storage volumes and different block sizes, the I/O operations on data and indexes will happen asynchronously; more importantly, the likelihood of write operations blocking read operations is reduced, as page locks tend to lock fewer records.

POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization DIFFICULTY: Difficulty: Moderate REFERENCES: p. 538 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Comprehension

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Chapter 12: Distributed Database Management Systems 1. A distributed database management system (DDBMS) governs the storage and processing of logically related data over interconnected computer systems. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p 554 LEARNING OBJECTIVES: DATA.CORO.15.LO12-1 - LO12-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Distributed Database Management System KEYWORDS: Bloom's: Knowledge 2. Distributed data access was needed to support geographically dispersed business units. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 555 LEARNING OBJECTIVES: DATA.CORO.15.LO12-1 - LO12-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Distributed Database Management System KEYWORDS: Bloom's: Knowledge 3. Rapid ad hoc data became unnecessary in the quick-response decision-making environment. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 555 LEARNING OBJECTIVES: DATA.CORO.15.LO12-1 - LO12-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Distributed Database Management System KEYWORDS: Bloom's: Knowledge 4. The Internet is the repository for distributed data. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 555 Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems LEARNING OBJECTIVES: DATA.CORO.15.LO12-1 - LO12-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Distributed Database Management System KEYWORDS: Bloom's: Knowledge 5. Current distributed database management system (DDBMS) are subject to some problems, such as the complexity of management and control. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 556 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Advantages and Disadvantages KEYWORDS: Bloom's: Knowledge 6. Distributed processing shares a database's logical processing among two or more physically independent sites that are connected through a network. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 556 LEARNING OBJECTIVES: DATA.CORO.15.LO12-3 - LO12-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 7. One of the advantages of a distributed database management system (DDBMS) is that the data is located near the site with the least demand. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 8. One of the advantages of a distributed database management system (DDBMS) is growth facilitation.

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Chapter 12: Distributed Database Management Systems a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 9. One of the advantages of a distributed database management system (DDBMS) is security. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 10. Distributed processing does not require a distributed database, and a distributed database does not require distributed processing. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 558 LEARNING OBJECTIVES: DATA.CORO.15.LO12-3 - LO12-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 11. In order to manage distributed data, copies or parts of the database processing functions must be distributed to all data storage sites. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 558 Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems LEARNING OBJECTIVES: DATA.CORO.15.LO12-3 - LO12-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 12. A database management system (DBMS) must have validation, transformation, and mapping functions, as well as other functions, in order to be classified as distributed. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 559 LEARNING OBJECTIVES: DATA.CORO.15.LO12-4 - LO12-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Characteristic of Distributed Database Management Systems KEYWORDS: Bloom's: Knowledge 13. A fully distributed database management system (DBMS) must perform all the functions of a centralized DBMS, and it must handle all necessary functions imposed by the distribution of data and processing. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 559 LEARNING OBJECTIVES: DATA.CORO.15.LO12-4 - LO12-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Characteristic of Distributed Database Management Systems KEYWORDS: Bloom's: Knowledge 14. The transaction processor (TP) is the software component found in each computer that requests data. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 560 LEARNING OBJECTIVES: DATA.CORO.15.LO12-5 - LO12-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Components KEYWORDS: Bloom's: Knowledge 15. A distributed database management system (DDBMS) must be communications-media-dependent. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 560 LEARNING OBJECTIVES: DATA.CORO.15.LO12-5 - LO12-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Components KEYWORDS: Bloom's: Knowledge 16. A transaction processor (TP) is the software component residing on each computer that stores and retrieves data located at the site. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 560 LEARNING OBJECTIVES: DATA.CORO.15.LO12-5 - LO12-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Components KEYWORDS: Bloom's: Knowledge 17. In the single-site processing, single-site data (SPSD) scenario, all processing must be done on the end user's side of the system. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 561 LEARNING OBJECTIVES: DATA.CORO.15.LO12-6 - LO12-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Levels of Data and process Distribution KEYWORDS: Bloom's: Knowledge 18. Performance transparency ensures that the system finds the most cost-effective path to access remote data. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 565 LEARNING OBJECTIVES: DATA.CORO.15.LO12-7 - LO12-7 Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Database Transparency Features KEYWORDS: Bloom's: Knowledge 19. The level of transparency supported by the distributed database management system remains the same for all systems. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 565 LEARNING OBJECTIVES: DATA.CORO.15.LO12-8 - LO12-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 20. Distribution transparency is supported by a distributed data dictionary. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 567 LEARNING OBJECTIVES: DATA.CORO.15.LO12-8 - LO12-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 21. Distributed database systems do not require complex mechanisms to manage transactions and ensure the database's consistency and integrity. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 568 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 22. A remote transaction, composed of several requests, may access data at multiple sites. a. True b. False ANSWER: False Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 568 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 23. A centralized database management is subject to a problem such as _____. a. a growing number of remote locations b. maintaining and operating small database systems c. dependence on multiple sites d. organizational flexibility of the database ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 556 LEARNING OBJECTIVES: DATA.CORO.15.LO12-1 - LO12-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Distributed Database Management Systems KEYWORDS: Bloom's: Comprehension 24. A disadvantage of a distributed database management system (DDBMS) is that: a. it is slower in terms of data access. b. adding new sites affects other sites' operations. c. it is processor dependent. d. there are lack of standards.

ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 25. A distributed database is composed of several parts known as database _____. a. sections b. fragments c. partitions d. parts ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-3 - LO12-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems 26. Distributed processing does not require: a. database processing functions to be distributed to all data storage sites. c. a network of interconnected components.

b. an existing distributed database. d. multiple sites to share processing chores.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 558 LEARNING OBJECTIVES: DATA.CORO.15.LO12-3 - LO12-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 27. A database management system needs _____ to prepare the data for presentation to the end user or to an application program. a. security b. concurrency control c. formatting d. I/O interface ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 559 LEARNING OBJECTIVES: DATA.CORO.15.LO12-4 - LO12-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Characteristics of Distributed Database Management Systems KEYWORDS: Bloom's: Knowledge 28. The _____ processor is the software component found in each computer that requests data. It receives and processes the application's data requests. a. database b. transaction c. data d. network ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 560 LEARNING OBJECTIVES: DATA.CORO.15.LO12-5 - LO12-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Components KEYWORDS: Bloom's: Knowledge 29. In theory, a(n) _____ can be an independent centralized database management system with proper interfaces to support remote access from other independent database management systems in the network. a. transaction processor b. application processor c. transaction manager d. data processor ANSWER: d Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems POINTS: 1 DIFFICULTY: Difficutly: Easy REFERENCES: p. 561 LEARNING OBJECTIVES: DATA.CORO.15.LO12-5 - LO12-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Components KEYWORDS: Bloom's: Knowledge 30. Under the _____ scenario, all record- and file-locking activities are performed at the end-user location. a. single-site processing, single-site data b. multiple-site processing, single-site data c. single-site processing, multiple-site data d. multiple-site processing, multiple-site data ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 562-563 LEARNING OBJECTIVES: DATA.CORO.15.LO12-6 - LO12-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Levels of Data and Process Distribution KEYWORDS: Bloom's: Knowledge 31. _____ distributed database management system (DDBMS) integrate multiple instances of the same DBMS over a network. a. Homogeneous b. Heterogeneous c. Fully heterogeneous d. Combination ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 563 LEARNING OBJECTIVES: DATA.CORO.15.LO12-6 - LO12-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Levels of Data and Process Distribution KEYWORDS: Bloom's: Knowledge 32. A _____ distributed database system will support different database management systems (DBMS) that may even support different models running under different computer systems. a. fully heterogeneous b. fully homogeneous c. homogeneous d. heterogeneous ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 563 LEARNING OBJECTIVES: DATA.CORO.15.LO12-6 - LO12-6 Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Levels of Data and Process Distribution KEYWORDS: Bloom's: Knowledge 33. A DDBMS is subject to which of the following restrictions? a. Multiple instances of the same database should be integrated over a network. c. Rapid ad hoc data access is not possible.

b. All database processing must be done at a single site. d. Remote data access is provided on a readonly basis.

ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 564 LEARNING OBJECTIVES: DATA.CORO.15.LO12-6 - LO12-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Levels of Data and Process Distribution KEYWORDS: Bloom's: Knowledge 34. _____ transparency allows a physically dispersed database to be managed as though it were centralized. a. Distribution b. Transaction c. Failure d. Performance ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 565 LEARNING OBJECTIVES: DATA.CORO.15.LO12-7 - LO12-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 35. _____ transparency allows data to be updated simultaneously at several network sites. a. Transaction b. Distribution c. Failure d. Performance ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 565 LEARNING OBJECTIVES: DATA.CORO.15.LO12-7 - LO12-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Database Transparency Features KEYWORDS: Bloom's: Knowledge 36. _____ transparency allows the system to operate as if it were a centralized database management system. a. Heterogeneity b. Distribution c. Performance d. Failure Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 565 LEARNING OBJECTIVES: DATA.CORO.15.LO12-7 - LO12-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Database Transparency Features KEYWORDS: Bloom's: Knowledge 37. _____ transparency is the highest level of transparency. The end user or programmer does not need to know that a database is partitioned. a. Performance b. Fragmentation c. Location d. Local mapping ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 565 LEARNING OBJECTIVES: DATA.CORO.15.LO12-8 - LO12-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 38. _____ transparency exists when the end user or programmer must specify the database fragment names but does not need to specify where these fragments are located. a. Transaction b. Location c. Local mapping d. Fragmentation ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 565 LEARNING OBJECTIVES: DATA.CORO.15.LO12-8 - LO12-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 39. A _____ contains the description of the entire database as seen by the database administrator. a. distributed global dictionary b. distributed data dictionary c. distributed global schema d. distributed data schema ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 567 LEARNING OBJECTIVES: DATA.CORO.15.LO12-8 - LO12-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems TOPICS: KEYWORDS:

Distribution Transparency Bloom's: Knowledge

40. A _____ lets a single SQL statement access the data that are to be processed by a single remote database processor. a. remote request b. remote transaction c. distributed request d. distributed transaction ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 568 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 41. A distributed _____ can reference several different local or remote data processing sites. a. request b. site c. data location d. transaction ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 569 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 42. A _____ request lets a single SQL statement reference data located at several different local or remote DP sites. a. distributed b. transaction c. fragmented d. remote ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 570 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 43. The _____ guarantees that if a portion of a transaction operation cannot be committed, all changes made at the other sites participating in the transaction will be undone to maintain a consistent database state. a. DO-UNDO-REDO protocol b. two-phase commit protocol (2PC) c. coordinator protocol d. write-ahead protocol ANSWER: b POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems DIFFICULTY: Difficulty: Easy REFERENCES: p. 571 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 44. The objective of _____ optimization is to minimize the total cost associated with the execution of a request. a. data b. remote c. transaction d. query ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 574 LEARNING OBJECTIVES: DATA.CORO.15.LO12-10 - LO12-10 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Performance and Failure Transparency KEYWORDS: Bloom's: Knowledge 45. _____ is the delay imposed by the amount of time required for a data packet to make a round trip from point A to point B. a. Data distribution b. Replica transparency c. Network latency d. Network partitioning ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 574 LEARNING OBJECTIVES: DATA.CORO.15.LO12-10 - LO12-10 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Performance and Failure Transparency KEYWORDS: Bloom's: Knowledge 46. _____ fragmentation allows a user to break a single object into two or more segments, or fragments. a. Horizontal b. Vertical c. Data d. Request ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 575 LEARNING OBJECTIVES: DATA.CORO.15.LO12-11 - LO12-11 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Database Design KEYWORDS: Bloom's: Knowledge 47. _____ fragmentation refers to the division of a relation into subsets of tuples.

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Chapter 12: Distributed Database Management Systems a. Vertical b. Horizontal c. Data d. Mixed ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 575 LEARNING OBJECTIVES: DATA.CORO.15.LO12-11 - LO12-11 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Database Design KEYWORDS: Bloom's: Knowledge 48. _____ fragmentation refers to the division of a relation into attribute subsets. a. Data b. Horizontal c. Vertical d. Mixed ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 575 LEARNING OBJECTIVES: DATA.CORO.15.LO12-11 - LO12-11 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Database Design KEYWORDS: Bloom's: Knowledge 49. The _____ rule requires that all copies of data fragments be identical. a. shared fragment b. mutual consistency c. horizontal fragmentation d. replication ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 578 LEARNING OBJECTIVES: DATA.CORO.15.LO12-11 - LO12-11 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Database Design KEYWORDS: Bloom's: Knowledge 50. A(n) _____ database stores each database fragment at a single site. a. partially replicated b. unreplicated c. fully replicated d. partitioned ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 580 LEARNING OBJECTIVES: DATA.CORO.15.LO12-11 - LO12-11 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems TOPICS: KEYWORDS:

Distributed Database Design Bloom's: Knowledge

51. In a basic distributed processing environment, the distributed processing system shares the database chores among three sites connected through a _____.

ANSWER: communications network POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 556 LEARNING OBJECTIVES: DATA.CORO.15.LO12-3 - LO12-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Advantage and Disadvantage KEYWORDS: Bloom's: Knowledge 52. One of the advantages of a distributed database management system (DDBMS) is _____ operating cost.

ANSWER: reduced lower POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 53. A user-friendly _____ is one advantage of a distributed database management system (DDBMS) .

ANSWER: interface POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 54. One of the advantages of a distributed database management system (DDBMS) is less danger of a single-_____ failure.

ANSWER: point POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems 55. One of the advantages of a distributed database management system (DDBMS) is processor _____.

ANSWER: independence POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 56. _____ management ensures that data move from one consistent state to another.

ANSWER: Transaction POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 559 LEARNING OBJECTIVES: DATA.CORO.15.LO12-4 - LO12-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Characteristics of Distributed Database Management Systems KEYWORDS: Bloom's: Knowledge 57. In a distributed database management system (DDBMS), _____ occurs to determine the data location of local and remote fragments.

ANSWER: mapping POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 559 LEARNING OBJECTIVES: DATA.CORO.15.LO12-4 - LO12-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Characteristics of Distributed Database Management Systems KEYWORDS: Bloom's: Knowledge 58. In a distributed database management system (DDBMS), query _____ is used to find the best access strategy.

ANSWER: optimization POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 559 LEARNING OBJECTIVES: DATA.CORO.15.LO12-4 - LO12-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Characteristics of Distributed Database Management Systems KEYWORDS: Bloom's: Knowledge 59. In a distributed database management system (DDBMS), _____ control is used to manage simultaneous data access and ensure data consistency across database fragments.

ANSWER: concurrency Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 559 LEARNING OBJECTIVES: DATA.CORO.15.LO12-4 - LO12-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Characteristics of Distributed Database Management Systems KEYWORDS: Bloom's: Knowledge 60. A transaction processor is also known as the _____ processor.

ANSWER: application POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 560 LEARNING OBJECTIVES: DATA.CORO.15.LO12-5 - LO12-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Components KEYWORDS: Bloom's: Knowledge 61. The distributed database system must be _____ of the computer hardware system.

ANSWER: independent POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 560 LEARNING OBJECTIVES: DATA.CORO.15.LO12-5 - LO12-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Components KEYWORDS: Bloom's: Knowledge 62. The _____ scenario is typical of most mainframe and midrange UNIX/LINUX server database management systems (DBMS).

ANSWER: single-site processing, single-site data SPSD single-site processing, single-site data (SPSD) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 561-562 LEARNING OBJECTIVES: DATA.CORO.15.LO12-6 - LO12-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Levels of Data and Process Distribution KEYWORDS: Bloom's: Knowledge 63. Typically, the _____ scenario requires a network file server running conventional applications that are accessed through a network.

ANSWER: multiple-site processing, single-site data MPSD multiple-site processing, single-site data (MPSD) Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 562 LEARNING OBJECTIVES: DATA.CORO.15.LO12-6 - LO12-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Levels of Data and Process Distribution KEYWORDS: Bloom's: Knowledge 64. The _____ fragment condition indicates that no row has a duplicate, regardless of the fragment in which it is located.

ANSWER: unique POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 566 LEARNING OBJECTIVES: DATA.CORO.15.LO12-8 - LO12-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 65. The database description, known as the distributed _____ schema, is the common database schema used by local transaction processors (TPs) to translate user requests into subqueries that will be processed by different data processors (DPs).

ANSWER: global POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 567-568 LEARNING OBJECTIVES: DATA.CORO.15.LO12-8 - LO12-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 66. The _____ protocol is used by a DP to roll transactions back and forward with the help of the system's transaction log entries.

ANSWER: DO-UNDO-REDO DO UNDO REDO do-undo-redo do undo redo POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 572 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 67. The _____ forces the log entry to be written to permanent storage before the actual operation takes place.

ANSWER: write-ahead protocol Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 572 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Transaction Transparency KEYWORDS: Bloom's: Knowledge 68. _____ describes the process of deciding where to locate data.

ANSWER: data allocation POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 580 LEARNING OBJECTIVES: DATA.CORO.15.LO12-7 - LO12-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Database Design KEYWORDS: Bloom's: Knowledge 69. A fully distributed database management system must perform all of the functions of a centralized database management system (DBMS). What are these functions?

ANSWER: 1. Receive the request of an application or end user.

2. Validate, analyze, and decompose the request. The request might include mathematical and logical operations such as the following: Select all customers with a balance greater than $1,000. The request might require data from only a single table, or it might require access to several tables.

3. Map the request’s logical-to-physical data components.

4. Decompose the request into several disk I/O operations.

5. Search for, locate, read, and validate the data.

6. Ensure database consistency, security, and integrity.

7. Validate the data for the conditions, if any, specified by the request.

8. Present the selected data in the required format.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 559 LEARNING OBJECTIVES: DATA.CORO.15.LO12-4 - LO12-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Characteristics of Distributed Database Management Systems KEYWORDS: Bloom's: Comprehension 70. Explain the difference between homogeneous and heterogeneous distributed database management systems (DDBMS).

ANSWER: Homogeneous DDBMSs integrate multiple instances of the same DBMS over a network— for example, multiple instances of Oracle 11g running on different platforms. In contrast, heterogeneous DDBMSs integrate different types of DBMSs over a network, but all support the same data model. A fully heterogeneous DDBMS will support different DBMSs, each one supporting a different data model, running under different computer systems.

POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems DIFFICULTY: Difficulty: Moderate REFERENCES: p. 563 LEARNING OBJECTIVES: DATA.CORO.15.LO12-6 - LO12-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Levels of Data and process distribution KEYWORDS: Bloom's: Comprehension 71. Describe performance transparency and heterogeneity transparency.

ANSWER: Performance transparency allows the system to perform as if it were a centralized DBMS. The system will not suffer any performance degradation due to its use on a network or because of the network’s platform differences. Performance transparency also ensures that the system will find the most cost-effective path to access remote data. The system should be able to “scale out” in a transparent manner, or increase performance capacity by adding more transaction or data-processing nodes, without affecting the overall performance of the system.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 565 LEARNING OBJECTIVES: DATA.CORO.15.LO12-7 - LO12-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Distributed Database Transparency Features KEYWORDS: Bloom's: Comprehension 72. What is transaction transparency? What are some of the basic concepts that one should know to understand how transactions are managed in a distributed database management system (DDBMS)?

ANSWER: Transaction transparency is a DDBMS property that ensures database transactions will maintain the distributed database’s integrity and consistency. It should be remembered that a DDBMS database transaction can update data stored in many different computers connected in a network. Transaction transparency ensures that the transaction will be completed only when all database sites involved in the transaction complete their part of the transaction.

Distributed database systems require complex mechanisms to manage transactions and ensure the database’s consistency and integrity. To understand how the transactions are managed, the basic concepts governing remote requests, remote transactions, distributed transactions, and distributed requests should be known.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 568 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Transaction Transparency KEYWORDS: Bloom's: Comprehension 73. Explain the three types of operations defined by the DO-UNDO-REDO protocol.

ANSWER: 1. DO performs the operation and records the “before” and “after” values in the transaction log.

2. UNDO reverses an operation, using the log entries written by the DO portion of the sequence.

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Chapter 12: Distributed Database Management Systems 3. REDO redoes an operation, using the log entries written by the DO portion of the sequence.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 572 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Transaction Transparency KEYWORDS: Bloom's: Knowledge 74. Discuss the CAP Theorem and the three desirable properties it mentions.

ANSWER:

According to Dr. Eric Brewer, there are three commonly desirable properties in any highly distributed data system consistency, availability, and partition tolerance. However, it is impossible for a system to provide all three at the same time Consistency takes a bigger role in a distributed database. All nodes should see the same data at the same time which means the replicas should be immediately undated. This involves dealing with latency and network partitioning delay.

Availability is a paramount requirement of all web-centric organizations. No received request should ever be lost and requests should always be filled by the system.

Partition tolerance means the system continues to operate even in the event of a node failure and will fail only if all nodes fail.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 581 LEARNING OBJECTIVES: DATA.CORO.15.LO12-7 - LO12-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The CAP Theorem KEYWORDS: Bloom's: Comprehension 75. Describe any five of the 12 commandments formulated by C. J. Date for distributed databases.

ANSWER: With the rise of relational databases, most vendors implemented their own versions of distributed databases, generally highlighting their respective product’s strengths. To make comparisons easier, C. J. Date formulated 12 “commandments” or basic principles of distributed databases. Although no current DDBMS conforms to all of them, they constitute a useful target. Students may choose any five of the following 12 commandments and describe them: Rule 1: Local-site independence.

Each local site can act as an independent, autonomous, centralized DBMS. Each site is responsible for security, concurrency control, backup, and recovery.

Rule 2: Central-site independence.

No site in the network relies on a central site or any other site. All sites have the same capabilities.

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Chapter 12: Distributed Database Management Systems Rule 3: Failure independence.

The system is not affected by node failures. The system is in continuous operation even in the case of a node failure or an expansion of the network.

Rule 4: Location transparency.

The user does not need to know the location of data to retrieve those data.

Rule 5: Fragmentation transparency.

Data fragmentation is transparent to the user, who sees only one logical database. The user does not need to know the name of the database fragments to retrieve them.

Rule 6: Replication transparency.

The user sees only one logical database. The DDBMS transparently selects the database fragment to access. To the user, the DDBMS manages all fragments transparently.

Rule 7: Distributed query processing.

A distributed query may be executed at several different data processor sites. Query optimization is performed transparently by the DDBMS. Rule 8: Distributed transaction processing.

A transaction may update data at several different sites, and the transaction is executed transparently.

Rule 9: Hardware independence.

The system must run on any hardware platform.

Rule 10: Operating system independence.

The system must run on any operating system platform.

Rule 11: Network independence.

The system must run on any network platform.

Rule 12: Database independence.

The system must support any vendor’s database product.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 583 LEARNING OBJECTIVES: DATA.CORO.15.LO12-14 - LO12-14 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: C.J. Date's 12 Commandments for Distributed Databases KEYWORDS: Bloom's: Comprehension

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Chapter 13: Business Intelligence and Data Warehouses True / False 1. Business intelligence is a framework that allows a business to transform data into information, information into knowledge, and knowledge into wisdom. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 590 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Intellegence KEYWORDS: Bloom's: Knowledge 2. Business intelligence (BI) architecture is composed of data, people, processes, technology, and the management of such components. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 592 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Intellegence KEYWORDS: Bloom's: Knowledge 3. A data store is used by data analysts to create queries that access the database. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 593 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Business Intellegence KEYWORDS: Bloom's: Knowledge 4. Master data management’s main goal is to provide a partial and segmented definition of all data within an organization. a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 595 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Business Intellegence KEYWORDS: Bloom's: Knowledge 5. Operational data and decision support data serve the same purpose. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 602 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge 6. Decision support data are a snapshot of the operational data at a given point in time. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 603 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge 7. Queries against operational data typically are broad in scope and high in complexity. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 604 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses 8. Data warehouse data are organized and summarized by table, such as CUSTOMER and ADDRESS. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 608 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 9. Relational data warehouses use multidimensional data schema support to handle multidimensional data. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 610 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 10. The data warehouse development life cycle differs from classical systems development. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 610 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 11. A data warehouse designer must define common business dimensions that will be used by a data analyst to narrow a search, group information, or describe attributes. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 612 Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Comprehension 12. By default, the fact table’s primary key is always formed by combining the superkeys pointing to the dimension tables to which they are related. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 617 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 13. Normalizing fact tables improves data access performance and saves data storage space. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 619 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 14. Periodicity, usually expressed as current year only, previous years, or all years, provides information about the time span of the data stored in a table. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 621 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 15. Multidimensional data analysis techniques include advanced computational functions. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 622 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 16. Advanced OLAP feature become more useful when access to them is kept simple a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 623 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 17. To provide better performance, some OLAP systems merge data warehouse and data mart approaches by storing small extracts of the data warehouse at end-user workstations. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 625 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Comprehension 18. A star schema is designed to optimize data query operations rather than data update operations. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 626 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses TOPICS: KEYWORDS:

Online Analytical Processing Bloom's: Knowledge

19. ROLAP and MOLAP vendors are working toward the integration of their respective solutions within a unified decision support framework. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 629 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 20. The ROLLUP extension is used with the GROUP BY clause to generate aggregates by the listed columns, including the last one. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 630 LEARNING OBJECTIVES: DATA.CORO.15.LO13-8 - LO13-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Extensions for OLAP KEYWORDS: Bloom's: Comprehension 21. The CUBE extension enable you to get a grand total for each column listed in the expression a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 631 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge Multiple Choice 22. A _____ is optimized for decision support and is generally represented by a data warehouse or a data mart. a. data store b. ETL tool Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses c. data visualization d. data analysis tool ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 593 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 23. _____ are in charge of presenting data to the end user in a variety of ways. a. Data stores b. ETL tools c. Data visualization tools d. Data analysis tools ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 593 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 24. _____ provide a unified, single point of entry for information distribution. a. Decision support systems b. Portals c. Data warehouses d. Dashboards ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 594 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 25. In business intelligence framework, data are captured from a production system and placed in _____ on a near realtime basis. a. decision support system b. portal c. data warehouse d. dashboard ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 594 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses TOPICS: KEYWORDS:

Business Intelligence Bloom's: Knowledge

26. _____ tools focus on the strategic and tactical use of information. a. Business b. Relational database management c. Business intelligence d. Networking ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 595 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 27. Which of the following is a personal analytics vendor for BI applications? a. IBM b. Kognitio c. Netezza d. MicroStrategy ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 602 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge 28. From a data analyst’s point of view, decision support data differ from operational data in three main areas: time span, granularity, and _____. a. usability b. dimensionality c. transaction processing d. sparsity ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 602 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge 29. Operational data are commonly stored in many tables, and the stored data represent information about a given _____ only.

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Chapter 13: Business Intelligence and Data Warehouses a. transaction b. database c. table d. concept ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 604 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge 30. The _____ schema must support complex (non-normalized) data representations. a. snowflake b. online analytical processing c. decision support database d. multidimensional database ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 605 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge 31. Data _____ implies that all business entities, data elements, data characteristics, and business metrics are described in the same way throughout the enterprise. a. visualization b. analytics c. mining d. integration ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 607 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 32. _____ can serve as a test vehicle for companies exploring the potential benefits of data warehouses. a. Data networks b. Data marts c. Data cubes d. OLAPs ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 610 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 33. Bill Inmon and Chuck Kelley created a set of 12 rules to define a(n) _____. a. data warehouse b. multidimensional cube c. OLAP tool d. star schema ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 610 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 34. The basic star schema has four components: facts, _____, attributes, and attribute hierarchies. a. keys b. relationships c. cubes d. dimensions ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 610 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 35. Computed or derived facts, at run time, are sometimes called _____ to differentiate them from stored facts. a. schemas b. attributes c. metrics d. dimensions ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 611 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 36. In a star schema, attributes are often used to search, filter, or classify _____. a. tables b. sales c. facts d. dimensions ANSWER: c Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 612 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 37. The attribute hierarchy provides a top-down data organization that is used for two main purposes: _____ and drilldown/roll-up data analysis. a. decomposition b. de-normalization c. normalization d. aggregation ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 614 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 38. In star schema representation, a fact table is related to each dimension table in a _____ relationship. a. many-to-one (M:1) b. many-to-many (M:M) c. one-to many (1:M) d. one-to-one (1:1) ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 616 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 39. Fact and dimension tables are related by _____ keys. a. shared b. primary c. foreign d. linked ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 616 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses 40. In a typical star schema, each dimension record is related to thousands of _____ records. a. attribute b. fact c. key d. primary ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 617 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 41. A _____ schema is a type of star schema in which dimension tables can have their own dimension tables. a. snowflake b. starflake c. dimension d. matrix ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 618 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 42. _____ splits a table into subsets of rows or columns and places the subsets close to the client computer to improve data access time. a. Normalization b. Meta modeling c. Replication d. Partitioning ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 620 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 43. The reliance on _____ as the design methodology for relational databases is seen as a stumbling block to its use in OLAP systems. a. normalization b. denormalization c. star schema d. multidimensional schema ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 626 Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 44. Decision support data tend to be non-normalized, _____, and pre-aggregated. a. unique b. duplicated c. optimized d. sorted ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 626 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 45. _____ extends SQL so that it can differentiate between access requirements for data warehouse data and operational data. a. ROLAP b. OLAP c. DBMS d. BI ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 626 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 46. A _____ index is based on 0 and 1 bits to represent a given condition. a. logical b. multidimensional c. normal d. bitmapped ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 627 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 47. Conceptually, MDBMS end users visualize the stored data as a three-dimensional cube known as a _____. a. multi-cube b. database cube c. data cube d. hyper cube Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 628 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 48. An multidimensional database management systems (MDBMS) uses proprietary techniques to store data in _____ ndimensional arrays. a. table-like b. matrix-like c. network-like d. cube-like ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 628 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 49. A _____ is a dynamic table that not only contains the SQL query command to generate the rows, but also stores the actual rows. a. SQL view b. materialized view c. star schema d. data cube ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 630 LEARNING OBJECTIVES: DATA.CORO.15.LO13-8 - LO13-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Extension for OLAP KEYWORDS: Bloom's: Knowledge Completion 50. _____ is a term used to describe a comprehensive, cohesive, and integrated set of tools and processes used to capture, collect, integrate, store, and analyze data with the purpose of generating and presenting information used to support business decision making.

ANSWER: Business intelligence POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 590 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 51. _____ functionality ranges from simple data gathering and transformation to very complex data analysis and presentation.

ANSWER: BI business intelligence POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 592 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 52. _____ use web-based technologies to present key business performance indicators or information in a single integrated view, generally using graphics in a clear, concise, and easy to understand manner.

ANSWER: Dashboards POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 594 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 53. Data _____ tools are tools that provide advanced statistical analysis to uncover problems and opportunities hidden within business data.

ANSWER: mining POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 594 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 54. _____ are quantifiable measurements (numeric or scale based) that assess a company’s effectiveness or success in reaching its strategic and operational goals.

ANSWER: Key performance indicators KPI KPIs Key performance indicators (KPI) POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses DIFFICULTY: Difficulty: Easy REFERENCES: p. 595 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 55. _____ is a collection of concepts, techniques, and processes for the proper identification, definition, and management of data elements within an organization.

ANSWER: Master data management MDM Master data management (MDM) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 595 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 56. ______ is a method or process of government.

ANSWER: Governance POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 595 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 57. _____ . means to decompose data into more atomic components or data at lower levels of aggregation ANSWER: Drill down POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 602 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge 58. To support a(n) _____ adequately, the DBMS might be required to support advanced storage technologies, and even more importantly, to support multiple-processor technologies, such as a symmetric multiprocessor (SMP) or a massively Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses parallel processor (MPP).

ANSWER:

VLDB very large database very large database (VLDB) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 607 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge 59. _____ is a read-only database optimized for data analysis and query processing.

ANSWER: Data warehouse POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 608 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 60. A data _____ is a centralized, consolidated database that integrates data derived from the entire organization and from multiple sources with diverse formats.

ANSWER: warehouse POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 607 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 61. A data _____ is a small, single-subject data warehouse subset that provides decision support to a small group of people.

ANSWER: mart POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 610 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 62. _____ are numeric measurements (values) that represent a specific business aspect or activity.

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Chapter 13: Business Intelligence and Data Warehouses ANSWER: Facts POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 611 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 63. _____ are qualifying characteristics that provide additional perspectives to a given fact.

ANSWER: Dimensions POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 611 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 64. In multidimensional terms, the ability to focus on slices of the cube to perform a more detailed analysis is known as _____.

ANSWER: slice and dice POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 613 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 65. The _____ hierarchy provides the capability to perform drill-down and roll-up searches in a data warehouse.

ANSWER: attribute POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 614 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 66. _____ makes a copy of a table and places it in a different location to improve access time.

ANSWER: Replication Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 620 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 67. The most distinctive characteristic of modern OLAP tools is their capacity for _____ analysis.

ANSWER: multidimensional POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 621 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 68. To deliver efficient decision support, OLAP tools must have advanced data _____ features.

ANSWER: access POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 623 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 69. OLAP systems are designed to use both operational and data _____ data.

ANSWER: warehouse POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 625 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 70. _____ online analytical processing provides OLAP functionality by using relational databases and familiar relational query tools to store and analyze multidimensional data.

ANSWER: Relational POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 626 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 71. _____ is a measurement of the density of the data held in the data cube and is computed by dividing the total number of actual values in the cube by the total number of cells in the cube.

ANSWER: Sparsity POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 628 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge Essay 72. What is data visualization? Name different techniques of data visualization.

ANSWER: Data visualization is the abstracting of data to provide information in a visual format that enhances a user's ability to effectively comprehend the meaning of the data. The goal of data visualization is to allow the user to see the big picture in the most efficient way possible.

Data visualization aggregates the data into a format that provides at-a-glance insight into overall trends and patterns. Data visualization techniques, that can range from simple to very complex, include pie charts, line graphs, bar charts, scatter plots, gantt charts, and heat maps.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 596 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Business Intelligence KEYWORDS: Bloom's: Comprehension 73. What is the difference between decision support data and operational data from the point of view of data analyst?

ANSWER: From a data analyst’s point of view, decision support data differ from operational data in three main areas: time span, granularity, and dimensionality.

Time span: Operational data cover a short time frame. In contrast, decision support data tend to cover a longer time frame.

Granularity (level of aggregation): Decision support data must be presented at different levels of aggregation, from highly summarized to nearly atomic.

Dimensionality: Operational data focus on representing individual transactions rather than the effects of the transactions over time. In contrast, data analysts tend to include many data dimensions and are interested in how the data relate over those dimensions.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 602-603 Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Business Intelligence KEYWORDS: Bloom's: Comprehension 74. Describe the use of SQL in relation to ROLAP. ANSWER: Most decision support data requests require the use of multiple-pass SQL queries or multiple nested SQL statements. To answer this criticism, ROLAP extends SQL so that it can differentiate between access requirements for data warehouse data (based on the star schema) and operational data (normalized tables). A ROLAP system therefore can generate the SQL code required to access the star schema data. Query performance is also improved because the query optimizer is modified to identify the SQL code’s intended query targets. For example, if the query target is the data warehouse, the optimizer passes the requests to the data warehouse. However, if the end user performs drill-down queries against operational data, the query optimizer identifies that operation and properly optimizes the SQL requests before passing them to the operational DBMS. POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 626-627 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Comprehension 75. What is the ROLLUP extension to the GROUP BY clause? Provide the syntax for this extension.

ANSWER: The ROLLUP extension is used with the GROUP BY clause to generate aggregates by different dimensions. As you know, the GROUP BY clause will generate only one aggregate for each new value combination of attributes listed in the GROUP BY clause. The ROLLUP extension goes one step further; it enables you to get a subtotal for each column listed except for the last one, which gets a grand total instead. The syntax of the GROUP BY ROLLUP command sequence is as follows: SELECT column1 [, column2, ...], aggregate_function(expression) FROM table1 [, table2, …]

[WHERE condition] GROUP BY ROLLUP (column1 [, column2, ...])

[HAVING condition] [ORDER BY column1 [, column2, …]]

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 630 LEARNING OBJECTIVES: DATA.CORO.15.LO13-8 - LO13-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Comprehension

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Chapter 14: Big Data Analytics and NoSQL 1. Much ambiguity exists in defining Big Data.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: p.649 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 2. For a data set to be considered Big Data, it must display all the “3 Vs” – volume, velocity and variety.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p.650 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 3. Scaling out is keeping the same number of systems, but migrating each system to a larger one.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p.651 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 4. In many ways, the issues associated with volume and velocity are the same.

a. True b. False ANSWER: POINTS: DIFFICULTY: REFERENCES:

True 1 Moderate p.652

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Chapter 14: Big Data Analytics and NoSQL LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Big Data KEYWORDS: Bloom's: Comprehension 5. The analysis of data to produce actionable results is feedback loop processing.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: p.653 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 6. Relational databases rely on unstructured data.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.653 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Big Data KEYWORDS: Bloom's: Comprehension 7. One tenet of Big Data is that all data that is capable of being captured should be.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.654 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Big Data KEYWORDS: Bloom's: Comprehension 8. The ability to graphically data in a way that makes it understandable is the concept of value.

a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p.654 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 9. Characteristics that are important in working with data in the relational database model also apply to Big Data.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.655 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Big Data KEYWORDS: Bloom's: Comprehension 10. Hadoop is a database that has become the de facto standard for most Big Data storage and processing.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p.655 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 11. Under the HDFS system, using a write-one, ready-many model simplifies concurrency issues.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: p.656 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL TOPICS: KEYWORDS:

Hadoop Bloom's: Knowledge

12. A block report is used to let the name node know that the data mode is still available.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p.657 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 13. A reduce function takes a collection of key-value pairs with the same key value and summarizes them into a single result.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: p.658 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 14. Hive is a good choice for jobs that require a small subset of data to be returned very quickly.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p.660 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 15. Hadoop is a high-level tool that requires little effort to create, manage and use.

a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p.660 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 16. Flume is a tool for converting data back and forth between a relational database and the HDFS.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p.661 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 17. Most NoSQL products run only in a Linux or Unix environment.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: p.662 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 18. Key-value and document databases are structurally similar.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: p.663-664 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL KEYWORDS:

Bloom's: Knowledge

19. A column-family database is a NoSQL database model that organizes data in key-value pairs with keys mapped to a set of columns in the value component.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: p.666 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 20. Interest in graph databases can be tied to the area of social networks.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: p.668 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 21. Explanatory analytics uses predictive analytics as a stepping stone to create explanatory models.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.670 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Comprehension 22. Data mining focuses on the discovery and explanation stages of knowledge acquisition.

a. True b. False ANSWER: POINTS:

True 1

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Chapter 14: Big Data Analytics and NoSQL DIFFICULTY: Easy REFERENCES: p.671 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Knowledge 23. _____ is NOT one of the "3 Vs" of Big Data. a. Volume b. Velocity

c. Validation

d. Variety

ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: p.649 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 24. _______ is keeping the same number of systems, but migrating each system to a larger system. a. Clustering b. Scaling up

c. Streaming

d. Scaling out

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.651 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 25. ______ focuses on filtering data as it enters the system to determine which data to keep and which to discard. a. Scaling up b. Feedback loop processing

c. Stream processing

d. Scaling out

ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: p.652 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 26. A(n) ______ is a process or set of operations in a calculation.

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Chapter 14: Big Data Analytics and NoSQL a. algorithm c. stream

b. feedback loop d. structure

ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: p.653 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 27. Big Data a. relies on the use of structured data

c. relies on the use of unstructured data

b. captures data in whatever format it naturally exists d. imposes a structure on data when it is captured

ANSWER: b POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.654 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Big Data KEYWORDS: Bloom's: Comprehension 28. In the context of Big Data, _____ relates to differences in meaning. a. variety b. variability

c. veracity

d. viability

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.654 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 29. In the context of Big Data, _____ refers to the trustworthiness of a set of data. a. value b. variability

c. veracity

d. viability

ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: p.654 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 30. By default, Hadoop uses a replication factor of: a. one b. two

c. three

d. four

ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: p.656 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 31. Which of the following is NOT a key assumption of the Hadoop Distributed File System? a. High volume b. Write many, read-once

c. Streaming access

d. Fault-tolerance

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.655-656 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 32. When using a HDFS, the _____ node creates new files by communicating with the ____ node. a. client, name b. name, client

c. client, data

d. data, client

ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: p.657 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 33. When using a HDFS, a heartbeat is sent every _____ to notify the name node that the data mode is still available. a. 3 hours b. 3 seconds

c. 6 hours ANSWER:

d. 6 seconds b

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Chapter 14: Big Data Analytics and NoSQL POINTS: 1 DIFFICULTY: Easy REFERENCES: p.657 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 34. When using MapReduce, a _______ function takes a collection and data and sorts and filters it into a set of key-value pairs. a. reduce b. map

c. data

d. block

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.658 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 35. When using MapReduce, best practices suggest that the number of mappers on a given node should be: a. 100 or more b. 100 or less

c. 50 or less

d. at least 300

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.659 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 36. ________ processing occurs when a program runs from beginning to end without any user interaction. a. Hadoop b. Block

c. Hive

d. Batch

ANSWER: d POINTS: 1 DIFFICULTY: Easy REFERENCES: p.660 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL 37. Two of the most popular applications to simplify the process of creating MapReduce jobs are Hive and a. Flume b. Pig

c. Sqoop

d. Impala

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.660 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 38. ______ is a tool for converting data back and forth between a relational database and the HDFS. a. Flume b. Pig

c. Sqoop

d. Impala

ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: p.661 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 39. ______ was the first SQL-on Hadoop application. a. Flume b. Pig

c. Sqoop

d. Impala

ANSWER: d POINTS: 1 DIFFICULTY: Easy REFERENCES: p.662 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 40. Which of the following is NOT one of the standard NoSQL categories? a. document databases b. column-oriented databases

c. graph databases ANSWER: POINTS: DIFFICULTY: REFERENCES:

d. chart databases d 1 Easy p.662

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Chapter 14: Big Data Analytics and NoSQL LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 41. To query the value component of the pair when using a key-value database, use get or: a. store b. fetch

c. retrieve

d. gather

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.663 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 42. Document databases group documents into logical groups called: a. buckets b. sets

c. collections

d. blocks

ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: p.664 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 43. ______ minimizes the number of disk reads necessary to retrieve a row of data. a. Column-oriented database b. Row-centric storage

c. Column-family database

d. Column-centric storage

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.665 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 44. Modeling and storing data about relationships is the focus of: a. key-value databases b. column-oriented databases

c. document databases

d. graph databases

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Chapter 14: Big Data Analytics and NoSQL ANSWER: d POINTS: 1 DIFFICULTY: Easy REFERENCES: p.668 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 45. ______ uses statistical analysis to answer questions about the how and why of relationships. a. Explanatory analytics b. Data mining

c. Predictive analytics

d. Knowledge acquisition

ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: p.670 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Knowledge 46. ______ uses statistical tools to answer questions about future data occurrences. a. Explanatory analytics b. Data mining

c. Predictive analytics

d. Knowledge acquisition

ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: p.670 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Knowledge 47. The goal of the _____ phase of data mining is to identify common data characteristics or patterns.

a. data preparation c. knowledge acquisition

b. data analysis and classification d. prognosis

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.672 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL TOPICS: KEYWORDS:

Data Analytics Bloom's: Knowledge

48. The end user decides what techniques to apply to the data when using the _____ mode of data mining. a. guided b. prognosis

c. directed

d. automated

ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: p.673 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Knowledge 49. Most BI vendors are dropping the term “data mining” and replacing it with the term: a. explanatory analytics b. data analytics

c. predictive analytics

d. knowledge acquisition

ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: p.674 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Knowledge 50. ______ is the Big Data “3 V” that relates to the speed at which data is entering the system.

ANSWER: Velocity POINTS: 1 DIFFICULTY: Easy REFERENCES: p.649 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 51. Scaling out is also referred to as _______.

ANSWER: clustering POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.649 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL TOPICS: KEYWORDS:

Big Data Bloom's: Comprehension

52. _______ refers to the analysis of the data to produce actionable results.

ANSWER: Feedback loop processing POINTS: 1 DIFFICULTY: Easy REFERENCES: p.653 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 53. A method of text analysis that attempts to determine if a statement conveys a positive, negative, or neutral attitude is referred to as ______ analysis.

ANSWER: sentimental POINTS: 1 DIFFICULTY: Easy REFERENCES: p.654 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 54. ______ is the coexistence of a variety of data storage and data management technologies within an organization’s infrastructure.

ANSWER: Polyglot persistence POINTS: 1 DIFFICULTY: Easy REFERENCES: p.655 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 55. Within MapReduce, a _____ runs maps and reduces functions.

ANSWER: task tracker POINTS: 1 DIFFICULTY: Easy REFERENCES: p.659 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL 56. Most organizations that use Hadoop also use a set of other related products that interact and complement each other to produce an entire _____ of applications and tools.

ANSWER: ecosystem POINTS: 1 DIFFICULTY: Easy REFERENCES: p.660 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 57. _______ languages allow the user to specify what they want, not how to get it which is very useful for query processing.

ANSWER: Declarative POINTS: 1 DIFFICULTY: Easy REFERENCES: p.661 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 58. Within Hadoop, is used for producing data pipeline tasks that transform data in a series of steps.

ANSWER: Pig POINTS: 1 DIFFICULTY: Easy REFERENCES: p.661 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 59. Within Hadoop, can transfer data in both directions - into and out of HDFS. ANSWER: Sqoop POINTS: 1 DIFFICULTY: Easy REFERENCES: p.661 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 60. _____ databases simply store data with no attempt to understand the contents of the value component or its meaning.

ANSWER: Key-value KV Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL POINTS: 1 DIFFICULTY: Easy REFERENCES: p.663 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 61. _______ is a human-readable text format for data interchange that defines attributes and values in a document.

ANSWER: JavaScript Object Notation JSON POINTS: 1 DIFFICULTY: Easy REFERENCES: p.664 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 62. ______ do not store relationships as perceived in the relational model and generally have no support for join operations.

ANSWER: Document databases POINTS: 1 DIFFICULTY: Easy REFERENCES: p.665 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 63. ______ refers to traditional, relational database technologies that use column-centric, not row-centric storage.

ANSWER: Column-oriented database Columnar database POINTS: 1 DIFFICULTY: Easy REFERENCES: p.665 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 64. In a column family database, a column that is composed of a group of other related columns is called a(n) _______.

ANSWER: super column POINTS: 1 DIFFICULTY: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL REFERENCES: p.667 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 65. In a graph database, the representation of a relationship between nodes is called a(n) ______.

ANSWER: edge POINTS: 1 DIFFICULTY: Easy REFERENCES: p.668 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 66. A query in a graph database is called a(n) _____.

ANSWER: traversal POINTS: 1 DIFFICULTY: Easy REFERENCES: p.668 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 67. A database model that attempts to provide ACID-compliant transactions across a highly distributed infrastructure is _____.

ANSWER: NewSQL POINTS: 1 DIFFICULTY: Easy REFERENCES: p.669 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 68. ______ is a continuous spectrum of knowledge acquisition that goes from discovery to explanation to prediction.

ANSWER: Data analytics POINTS: 1 DIFFICULTY: Easy REFERENCES: p.670 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL TOPICS: KEYWORDS:

Data Analytics Bloom's: Knowledge

69. In the ______ phase of data mining, findings are used to predict future behavior and forecast business outcomes.

ANSWER: prognosis POINTS: 1 DIFFICULTY: Easy REFERENCES: p.672 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Knowledge 70. The origins of ______ can be traced back to the banking and credit card industries.

ANSWER: predictive analysis POINTS: 1 DIFFICULTY: Easy REFERENCES: p.674 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Knowledge 71. Discuss the “3 Vs” of Big Data. How has the definition of Big Data regarding these items changed over time?

ANSWER: The three V’s are Volume, Velocity and Variety Volume is the quantity of data to be stored and a key characteristic of Big Data. The storage capacities associated with Big Data are very large. As storage needs increase, they can be handled by scaling up or scaling out. Scaling up is keeping the same number of systems but migrating each to a larger system. Scaling out involves distributing data storage structures across a cluster of commodity servers.

Velocity is the speed at which data enters the system and is another key characteristic. In many ways, the issues of velocity mirror those of volume. The velocity of processing can be broken down into two categories: stream and feedback loop.

Variety refers to the vast array of formats and structures in which the data may be captured.

Big Data requires that the data be captured in whatever format it naturally exists.

The lack of specific values associated with these characteristics is what leads to ambiguity in defining Big Data. What is considered Big Data changes over time, but the key is the characteristics are present to an extent that the current relational database technology struggles with managing the data.

POINTS:

There is also some disagreement about which of the 3 Vs must be present for a data set to be considered Big Data. Originally it was conceived as a combination of the 3 Vs. Recent changes in technology have led to Big Data being redefined as involving any, but not necessarily all of the 3 Vs. 1

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Chapter 14: Big Data Analytics and NoSQL DIFFICULTY: Moderate REFERENCES: p.649-654 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Big Data KEYWORDS: Bloom's: Comprehension 72. Define the four key assumptions of the Hadoop Distributed File System (HDFS).

ANSWER: High volume: The volume of data in Big Data applications is expected to be in terabytes, petabytes or larger. Hadoop assumes HDFS files will be extremely large Write-once, ready-many: This model simplifies concurrent issues and improves overall data throughput. Using this model, a file is created, written to the file system and then closed.

Once the file is closed, changes cannot be made to its contents which improves overall system performance and works well for the types of tasks performed by many Big Data applications.

Streaming access: Unlike transaction processing systems, Big Data applications typically process entire files. Hadoop is optimized for batch processing of entire files as continuous streams of data.

Fault tolerance: Hadoop is designed to be distributed across thousands of low-cost, commodity computers. The HDFS is designed to replicate data across many devices so that, when one fails, the data is still available from another device. By default, Hadoop uses a replication factor of three, meaning that each block of data is stored on three devices.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.655-656 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Comprehension 73. Discuss the need for a Hadoop ecosystem and identify the key components.

ANSWER: Because Hadoop is a very low-level tool requiring considerable effort to create, manage, and use, it presents quite a few obstacles. This has resulted in a host of related applications that attempt to make Hadoop easier to use and more accessible to users who are not skilled at complex Java programming. Most organizations that use Hadoop also use a set of other related products that interact and complement each other to produce an entire ecosystem of applications and tools.

MapReduce simplification applications have been developed to simplify the process of creating MapReduce jobs. Two of the most popular are Hive and Pig. Data ingestion applications help to “ingest” or gather data into Hadoop from existing systems and include Flume. Sqoop is a tool for converting data back and forth between a relational database and HDFS.

POINTS:

Direct query applications attempt to provide faster query access than is possible through MapReduce and include HBase and Impala.

1

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Chapter 14: Big Data Analytics and NoSQL DIFFICULTY: Moderate REFERENCES: p.660-662 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Comprehension 74. What is NoSQL and what are the major NoSQL approaches (categories)?

ANSWER: NoSQL is the unfortunate name given to a broad array of nonrelational database technologies that have developed to address Big Data challenges. The name is unfortunate because it does not describe what the NoSQL technologies are, but rather what they are not. Even that explanation is poor. Literally hundreds of products can be considered as NoSQL. Most of them fit into one of four categories: key-value data stores, document databases, columnoriented databases and graph databases.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.662 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Comprehension 75. Discuss NewSQL and what it attempts to do.

ANSWER: NewSQL is a database model that attempts to provide ACID-compliant transactions across a highly distributed infrastructure and are the latest technologies to appear to appear in the data management arena to address Big Data problems. As a new category of data management products, NewSQL databases have not yet developed a track record of success and have been adopted by relatively few organizations.

Because no technology can perfectly provide the advantages of both RDBMS and NoSQL, NewSQL has disadvantages, principally centered around its heavy use of in-memory storage.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.669-670 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Comprehension 76. Explain the concept of data analytics. What are the various tools of data analytics?

ANSWER: Data analytics is a subset of business intelligence (BI) functionality that encompasses a wide range of mathematical, statistical, and modeling techniques with the purpose of extracting knowledge from data. Data analytics is used at all levels within the BI framework, including queries and reporting, monitoring and alerting, and data visualization. Hence, data analytics is a “shared” service that is crucial to what BI adds to an organization. Data analytics represents what business managers really want from BI: the ability to extract actionable business insight from current events and foresee future problems or opportunities. Data analytics tools can be grouped into two separate (but closely related and often overlapping) Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL areas:





Explanatory analytics focuses on discovering and explaining data characteristics and relationships based on existing data. Explanatory analytics uses statistical tools to formulate hypotheses, test them, and answer the how and why of such relationships.

Predictive analytics focuses on predicting future data outcomes with a high degree of accuracy. Predictive analytics uses sophisticated statistical tools to help the end user create advanced models that answer questions about future data occurrences.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.670-671 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Comprehension

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Chapter 15: Database Connectivity and Web Technologies 1. Database connectivity software is also known as database middleware because it interfaces between the application program and the database. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 681 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 2. A good API makes it easy to develop a program by providing all of the building blocks. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 683 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 3. Among the three levels of compliance of the ODBC API standards, Level-1 provides support for procedural SQL and cursors. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 683 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 4. Having a web-based database interface eliminates the design and implementation issues of a database system. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 685 Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 5. Whether you purchase online or by standing in line, the system-level transaction details are essentially the same, and they require the same basic database structures and relationships. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 692 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 6. The effects of bad database design, implementation, and management are magnified in an environment in which the number of transactions is less than one hundred. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 692 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 7. The benefits of the web as a data access platform arise from its cross-platform functionality and the simplicity of its interface. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 693 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 8. When an end user uses a web browser to dynamically query a database, the client browser actually requests a web page Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies from the web server. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 693 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 9. In the database query scenario, the web server generates the webpage contents before it sends the page to the client web browser. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 693 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 10. Extending the web server functionality implies that the web server and the web-to-database middleware will properly communicate with each other. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 693 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 11. The Common Gateway Interface (CGI) is a newer web server interface standard that is much more efficient and faster than a dynamic link library (DLL). a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies REFERENCES: p. 695 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 12. An application programming interface (API) uses script files that perform specific functions based on the client’s parameters that are passed to the web server. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 695 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 13. The browser’s interpretation and presentation capabilities are sufficient to develop web-based applications. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 14. The label “stateless system” indicates that, at any given time, there is an open communication line between the server and each client accessing it. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 15. The only time the client and server computers communicate is when the client requests a page and the server sends the Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies requested page to the client. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 16. The use of HTML does not equip a web browser with computational abilities beyond formatting output text and accepting form field inputs. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 17. A plug-in is an external application that is automatically invoked by a web browser when needed. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 18. A client-side extension is a program that interacts directly with the web server to handle specific types of requests. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 697 Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 19. A document type definition (DTD) can be referenced by many Extensible Markup Language (XML) documents of the same type. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 702 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Comprehension 20. HTML is designed to facilitate the extraction and manipulation of data from structured documents over the Internet. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 703 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 21. The first line of an XML document represents the document declaration, and it is mandatory. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 703 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 22. In a document type definition (DTD) file, a plus (+) symbol beside an element indicates that it is an optional child element within its parent. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 704 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 23. Cloud services allow any organization to quickly and economically add information technology services to its IT portfolio. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 710 LEARNING OBJECTIVES: DATA.CORO.15.LO15-4 - LO15-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Cloud Computing Services KEYWORDS: Bloom's: Knowledge 24. The initial costs of using cloud services tend to be significantly higher than building on-premise IT infrastructures. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 712 LEARNING OBJECTIVES: DATA.CORO.15.LO15-4 - LO15-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Cloud Computing Services KEYWORDS: Bloom's: Knowledge 25. _____ is a collection of technologies used to access any type of data source and manage the data through a common interface. a. DAO b. UDA c. ODBC d. OLE-DB ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 682 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 26. ODBC works on the _____ operating system. a. Kronos b. UNIX c. Windows d. Mac ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 683 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 27. _____ is a higher-level, object-oriented application interface used to access remote database servers. a. UDA b. ODBC c. DAO d. RDO ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 683 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 28. In the ODBC architecture, a(n) _____ is in charge of managing all database connections. a. ODBC API b. DLL c. ODBC driver d. driver manager ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 683 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 29. The ODBC API standard defines three levels of compliance: _____, Level-1, and Level-2, which provide increasing levels of functionality. a. Elementary b. Basic c. Core d. Level-0 ANSWER: c Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 685 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 30. Based on Microsoft’s Component Object Model (COM), _____ is database middleware that adds object-oriented functionality for access to relational and nonrelational data. a. MS-DB b. OLE-DB c. COM-DB d. ODBC ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 685 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 31. In the ADO.NET framework, the _____ object contains the actual SQL code or a stored procedure call to be run by the database. a. Command b. DataReader c. DataAdapter d. DataSet ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 690 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 32. In the ADO.NET framework, the _____ object is the in-memory representation of the data in the database. a. Command b. DataReader c. DataAdapter d. DataSet ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 690 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies KEYWORDS:

Bloom's: Knowledge

33. The _____ is the most specialized object in the ADO.NET framework. a. Command b. DataReader c. DataAdapter d. DataSet ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 690 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 34. _____ is an object-oriented programming language developed by Sun Microsystems that runs on top of web browser software. a. Visual Basic b. Java c. JavaScript d. VBScript ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 691 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 35. One of the advantages of _____ over other middleware is that it requires no configuration on the client side. a. ODBC b. JDBC c. OLE-DB d. ADO.NET ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 692 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 36. Which of the following is the first step in the exchange between a web browser and a database? a. The HTML output is displayed on the client computer’s web browser. b. The middleware receives the query result and creates the HTML-formatted page. c. The client’s web browser requests a page from a web server.

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Chapter 15: Database Connectivity and Web Technologies d. The web-to-database middleware uses ODBC to connect to the database.

ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 693 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 37. Another name for a database server-side extension program is _____. a. a web server b. a web application middleware c. web-to-database middleware d. a database application server ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 694 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 38. Which of the following is a well-defined web-server interface? a. Common Gateway Interface b. Tiny Internet Interface c. Windows NT d. Command Line Interface ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 695 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 39. The main disadvantage of using CGI scripts is that: a. they cause a resource bottleneck since they have to b. they are specific to the web server and to the execute separately for each user request. operating system, thus being platform dependent. c. an error in one script can damage and bring down d. they do not have the capability to process forms or the web server completely. prepare outputs based on form data.

ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 695 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 40. A(n) _____ can use a shared connection to the database instead of creating a new one every time. a. DLL b. API c. web browser d. HTTP GET request ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 695 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 41. What is a disadvantage of using an API web-server interface? a. It is slower than CGI scripts. b. It is inefficient because it uses DLLs. c. An external program needs to run for each user request. d. An API error can bring down the entire web server.

ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 695 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 42. Each time an end user clicks a hyperlink, the browser generates a(n) _____ page request that is sent to the designated web server using the TCP/IP Internet protocol. a. HTML b. XML c. HTTP GET d. API ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 696 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 43. The web browser’s job is to interpret the HTML code that it receives from a web server and to: a. develop web-based applications. b. display it in a standard formatted way.

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Chapter 15: Database Connectivity and Web Technologies c. perform immediate data entry validation. d. extract details, such as order data, from it.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 696 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 44. You must use plug-ins and other client-side extensions: a. to create an open communication line between a b. to eliminate the need for running external programs server and its clients. for each client request. c. to improve processing capabilities of a browser. d. to create dynamic web search pages.

ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 45. Which of the following is a client-side extension? a. ActiveX b. ODBC c. SQL*Net d. TCP/IP ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 46. Among client-side extensions, _____ is a Microsoft specification for writing programs that run inside the Internet Explorer browser. a. COBOL b. ActiveX c. JavaScript d. Visor.Net ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 47. _____ is a scripting language that allows web authors to design interactive sites. a. Visual Basic b. HTML c. JavaScript d. Java ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 48. Which of the following is true of a web application server? a. It is Microsoft’s implementation of a superset of the SQL Access Group CLI standard for database access. b. It is automatically invoked by the browser when needed. c. It runs on the client machine, freeing server resources. d. It provides security and authentication of users through user IDs and passwords.

ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 698 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 49. _____ code is embedded inside an HTML page and is activated by triggering events such as clicking on a link. a. XML b. SQL c. Visual Basic d. VBScript ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 698 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 50. _____ is a web application server that provides the ability to connect web servers to multiple data sources. a. MS Access b. ColdFusion/JRun Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies c. FoxPro d. dBase ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 698 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 51. Which of the following is a characteristic of the XML metalanguage? a. It is concerned with the way data are displayed. c. You can use the // symbol for entering a comment in the XML document.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 702 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge

b. It allows the definition of new tags. d. It can be used as a replacement of HTML.

52. Every XML document has a _____. a. root element b. base tag c. schema d. DTD ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 703 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 53. A(n) _____ file provides the composition of the database’s logical model and defines the syntax rules for an XML document. a. XMLD b. XHTML c. DTD d. meta ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 704 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 54. The _____ is an advanced data definition language that is used to describe the structure of XML data documents. a. XHTML b. HTML schema c. DTD d. XML schema ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 705 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 55. Using _____, you can extract data from an XML document and convert it into a text file. a. XMLD b. XSLT c. DTD d. XML schema ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 706 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 56. ______ is a computing model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computer resources that be rapidly provisioned and released with minimal management effort or service provider interaction. a. Cloud computing b. OBDC c. SQL data services d. database middleware ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 709-710 LEARNING OBJECTIVES: DATA.CORO.15.LO15-4 - LO15-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Cloud Computing Services KEYWORDS: Bloom's: Knowledge 57. _____ cloud is a type of cloud infrastructure that is built by a third-party organization to sell cloud services to the general public. a. Community b. Public Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies c. Exclusive d. Private ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 712 LEARNING OBJECTIVES: DATA.CORO.15.LO15-4 - LO15-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Cloud Computing Services KEYWORDS: Bloom's: Knowledge 58. In the____ category, the cloud service provider offers the capability to build and deploy consumer-created applications using the provider's cloud infrastructure. a. Application as a Server (AaaS) b. Infrastructure as a (IaaS) c. Software as a Service (SaaS) d. Platform as a Service (PaaS) ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 713 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Cloud Computing Services KEYWORDS: Bloom's: Knowledge 59. ODBC, OLE-DB, and ADO.NET form the backbone of the _____ architecture.

ANSWER: UDA Universal Data Access (UDA) Universal Data Access POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 682 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 60. Open Database Connectivity (ODBC), a superset of the SQL Access Group Call Level Interface (CLI), is implemented by _____.

ANSWER: Microsoft POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 683 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies TOPICS: KEYWORDS:

Database Connectivity Bloom's: Knowledge

61. A(n) _____ is a unique name by which the data source will be known to ODBC, and therefore, to applications.

ANSWER: DSN data source name data source name (DSN) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 684 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 62. In the context of OLE-DB, a _____ is an object (application or process) that requests and uses data.

ANSWER: consumer POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 685 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 63. In the OLE-DB model, the _____ acts like a data consumer of the data provider and as a data provider for the data consumer (end-user application).

ANSWER: service provider POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 686 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 64. A(n) _____ is a program written in a programming language that is not compiled, but is interpreted and executed at run time.

ANSWER: script POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 687 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies KEYWORDS:

Bloom's: Knowledge

65. _____ provides a unified interface to access data from any programming language that uses the underlying OLE-DB objects.

ANSWER: ActiveX Data Objects ADO ActiveX Data Objects (ADO) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 687 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 66. The Microsoft _____ framework is a component-based platform for developing distributed, heterogeneous, interoperable applications aimed at manipulating any type of data over any network under any operating system and any programming language.

ANSWER: .NET POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 687 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 67. _____ is an application programming interface that allows a Java program to interact with a wide range of data sources (relational databases, tabular data sources, spreadsheets, and text files).

ANSWER: Java Database Connectivity JDBC Java Database Connectivity (JDBC) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 691 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 68. _____ webpages are at the heart of current generation websites.

ANSWER: Dynamic POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 693 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 69. APIs are faster than _____ scripts because the code resides in memory and there is no need to run an external program for each request.

ANSWER: CGI Common Gateway Interface Common Gateway Interface (CGI) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 695 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Comprehension 70. Regardless of the type of web server interface used, a web-to-database _____ program must be able to connect with a database.

ANSWER: middleware POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 696 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 71. A web _____ server is a middleware application that expands the functionality of web servers by linking them to a wide range of services.

ANSWER: application POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 698 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 72. To prevent the server from performing all data validation, _____ data input validation is one of the most basic requirements for web applications.

ANSWER: client-side client side clientside POINTS: 1 DIFFICULTY: Difficulty: Moderate Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies REFERENCES: p. 698 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 73. _____, or transactions done over the Internet, enables all types of organizations to sell products and services to a global market.

ANSWER: E-commerce POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 702 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 74. XML is derived from the _____, an international standard for the publication and distribution of highly complex technical documents.

ANSWER: Standard Generalized Markup Language SGML Standard Generalized Markup Language (SGML) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 702 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 75. XML tags must be well formed, that is, each opening tag must have a corresponding _____ tag.

ANSWER: closing POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 703 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 76. A(n) _____ provides limited additional semantic value to XML, such as data type support or data validation rules.

ANSWER: DTD document type definition document type definition (DTD) POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies REFERENCES: p. 705 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 77. A DBMS that supports _____ exchanges can integrate with external systems such as the web, mobile data, and legacy systems, thus enabling the creation of new types of systems.

ANSWER: XML POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 708-709 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 78. XML is used to create _______ vocabularies for entire industries.

ANSWER: metadictionaries POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 709 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 79. ________ refer to a cloud computing-base data management service that provides relational data storage, access, and management to companies of all sizes without the typical high costs of in house hardware, software, infrastructure, and personnel.

ANSWER: SQL data services (SDS) SQL data services SDS POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 716 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Cloud Computing Services KEYWORDS: Bloom's: Knowledge 80. What are the components in the basic ODBC architecture?

ANSWER: The basic ODBC architecture has three main components: a high-level ODBC API through which application programs access ODBC functionality, a driver manager that is in charge of managing all database connections, and an ODBC driver that communicates directly to the DBMS. Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 683 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Comprehension 81. What are the main types of objects in the OLE-DB model? Explain.

ANSWER: The functionality of OLE-DB model is divided into two types of objects: consumers and providers.

1. Consumers are objects (applications or processes) that request and use data.

Consumers request data by invoking the methods exposed by the data provider objects (public interface) and passing the required parameters.

2. Providers are objects that manage the connection with a data source and provide data to the consumers. Providers are divided into two categories: data providers and service providers.  

Data providers provide data to other processes. Database vendors create data provider objects that expose the functionality of the underlying data source (relational, object-oriented, text, and so on).

Service providers provide additional functionality to consumers. The service provider is located between the data provider and the consumer. The service provider requests data from the data provider, transforms the data, and then provides the transformed data to the data consumer. In other words, the service provider acts like a data consumer of the data provider and as a data provider for the data consumer (end-user application). For example, a service provider could offer cursor management services, transaction management services, query processing services, and indexing services.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 685-686 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Comprehension 82. What is a server-side extension? Explain.

ANSWER: A server-side extension is a program that interacts directly with the web server to handle specific types of requests. A server-side extension program retrieves the data from databases and passes the retrieved data to the web server, which in turn sends the data to the client’s browser for display. A server-side extension makes it possible to retrieve and present the query results, but more importantly, it provides its services to the web server in a way that is totally transparent to the client browser. In short, the server-side extension adds significant functionality to the Web server, and therefore to the Internet.

POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies DIFFICULTY: Difficulty: Moderate REFERENCES: p. 693 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Comprehension 83. What is JavaScript? How does it work?

ANSWER: JavaScript is a scripting language (one that enables the execution of a series of commands or macros) that allows web authors to design interactive sites. JavaScript code is embedded in the web page and executed after a specific event, such as a mouse click on an object or a page being loaded from the server into memory.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Comprehension 84. Explain the features provided by web application servers.

ANSWER: Web application servers provide features such as: - An integrated development environment with session management and support for persistent application variables.

- Security and authentication of users through user IDs and passwords.

- Computational languages to represent and store business logic in the application server.

- Automatic generation of HTML pages integrated with Java, JavaScript, VBScript, ASP, and so on.

- Performance and fault-tolerant features.

- Database access with transaction management capabilities.

- Access to multiple services, such as file transfers (FTP), database connectivity, e-mail, and directory services.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 698 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Comprehension

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Chapter 16: Database Administration and Security 1. The DBMS must provide tools that give each level of management a useful view of the data and support the required level of decision-making. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.724 LEARNING OBJECTIVES: DATA.CORO.15.LO16-2 - LO16-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Need for a Database and its Role in an Organization KEYWORDS: Bloom's: Knowledge 2. An enterprise database can be defined as the company's data representation that provides support for all present and expected future operations. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.725 LEARNING OBJECTIVES: DATA.CORO.15.LO16-2 - LO16-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Need for a Database and its Role in an Organization KEYWORDS: Bloom's: Knowledge 3. Having a computerized DBMS guarantees that the data will be properly used to provide the best solutions required by managers. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.725 LEARNING OBJECTIVES: DATA.CORO.15.LO16-3 - LO16-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction of a Database: Special Considerations KEYWORDS: Bloom's: Knowledge 4. The introduction of a DBMS represents a big change and challenge, and is likely to have a profound impact throughout the organization. a. True b. False ANSWER: True POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security DIFFICULTY: Difficulty: Easy REFERENCES: p.725 LEARNING OBJECTIVES: DATA.CORO.15.LO16-3 - LO16-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction of a Database: Special Considerations KEYWORDS: Bloom's: Knowledge 5. When an organization employs both a DA and a DBA, the DA's job has a technical organization, whereas the DBA's job has a managerial orientation. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 730 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 6. The DBA interacts with the end user by providing data and information support services to the organization’s departments. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 733 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 7. In the context of database administration, standards are written instructions that describe a series of steps to be followed during the performance of a given activity. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 734 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security 8. The security, privacy, and integrity of data in a database are of minimal concern to DBAs who manage current DBMS installations. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 735 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 9. Disaster management includes all the end-user activities designed to secure data availability before a physical disaster or a database integrity failure. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 735 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 10. A full backup, or database dump, produces a complete copy of the entire database. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 736 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 11. Incremental backups produce a backup of all data. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 736 Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 12. Concurrent backups take place while the user is working on the database. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 736 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 13. Backups must be clearly identified through detailed descriptions and date information, assuring that the correct backup is used to recover the database. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 736 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Comprehension 14. The storage locations for multiple backups must include sites inside and outside the organization. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.736 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 15. The DBA or security officer must secure an insurance policy to provide financial protection in the event of a database failure. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 736 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 16. The DBA is responsible for ensuring that the data are distributed to the right persons, at the right time, and in the right format. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 736 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 17. The DBA must supervise the installation of all software and hardware designated to support the data administration strategy. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 740 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 18. The DBA function provides data modeling and design services to the end-user community, often through coordination with an application development group within the data-processing department. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 740 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Comprehension 19. Testing procedures and standards must already be in place before any application program can be approved for use in the company. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 741 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Comprehension 20. System support activities cover all tasks directly related to the day-to-day operations of a DBMS and its applications. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 741 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 21. Training people to use the DBMS and its tools is not included in the responsibilities of a DBA. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 743 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 22. The maintenance activities of the DBA are an extension of the operational activities. a. True b. False ANSWER: True Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 743 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Comprehension 23. A security breach is a weakness in a system component that could be exploited to allow unauthorized access or cause service disruptions. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 745 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 24. Security breaches can yield a database whose integrity is either preserved or corrupted. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 745 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 25. In the context of database security measures, enforcing complex password policies will address the security vulnerabilities of the operating system component. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 746 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Security Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security KEYWORDS:

Bloom's: Comprehension

26. Protecting the security and integrity of a database is a function of authorization management. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 747 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 27. When performing user access management, a DBA assigns passwords to each user at both the operating system and DBMS levels. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 747 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 28. The DBA can use an audit log to automatically record a brief description of the database operations performed by the users. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 748 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 29. A passive data dictionary is one that is updated automatically with every database access to keep its access information up to date. a. True b. False ANSWER: False Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 749 LEARNING OBJECTIVES: DATA.CORO.15.LO16-7 - LO16-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Administration Tools KEYWORDS: Bloom's: Knowledge 30. In the context of the data-information-decision cycle, decisions made by high-level managers trigger actions in an organization's: a. lower levels. b. top levels. c. target markets. d. customer base.

ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 722 LEARNING OBJECTIVES: DATA.CORO.15.LO16-1 - LO16-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data as a Corporate Assets KEYWORDS: Bloom's: Knowledge 31. At the level of middle management, the database must be able to _____. a. provide a framework for defining and enforcing organizational policies b. provide the data necessary for tactical decisions and planning c. provide feedback to monitor whether a company is achieving its goals d. provide access to external and internal data to identify growth opportunities ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 724 LEARNING OBJECTIVES: DATA.CORO.15.LO16-2 - LO16-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Need for a Database and its Role in an Organization KEYWORDS: Bloom's: Comprehension 32. When introducing a database into an organization, the database approach creates a more controlled and structured information flow and thus affects people, functions, and interactions. This leads to a(n) _____ impact of the new database system. a. cultural b. managerial c. technical d. operational ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security REFERENCES: p. 726 LEARNING OBJECTIVES: DATA.CORO.15.LO16-3 - LO16-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Need for a Database and its Role in an Organization KEYWORDS: Bloom's: Knowledge 33. The person responsible for the control of the centralized and shared database is the database _____. a. analyst b. administrator c. programmer d. user ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: 727 LEARNING OBJECTIVES: DATA.CORO.15.LO16-4 - LO16-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Database Administration KEYWORDS: Bloom's: Knowledge 34. Database administration operations are commonly defined and divided according to the phases of the _____. a. SLA b. DBLC c. SDLC d. MRA ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 728 LEARNING OBJECTIVES: DATA.CORO.15.LO16-4 - LO16-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Database Administration KEYWORDS: Bloom's: Knowledge 35. A data administrator is also known as a(n) _____. a. data security officer b. systems administrator c. information resource manager d. information engineering officer ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 729 LEARNING OBJECTIVES: DATA.CORO.15.LO16-4 - LO16-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Database Administration KEYWORDS: Bloom's: Knowledge 36. The _____ administrator is responsible for strategic planning. a. system b. data Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security c. database d. program ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 730 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 37. Coordinating, monitoring, and allocating database administration resources is included in a DBA's _____ role. a. operative b. arbitration c. technical d. managerial ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 732 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Compone KEYWORDS: Bloom's: Knowledge 38. _____ are more detailed and specific than policies and describe the minimum requirements of a given DBA activity. a. Guidelines b. Standards c. Procedures d. Documentations ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 733 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Compone KEYWORDS: Bloom's: Knowledge 39. “All users must have passwords” is an example of a _____. a. rule b. policy c. standard d. procedure ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 734 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Compone Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security KEYWORDS:

Bloom's: Knowledge

40. "A password must have a minimum of five characters" is an example of a _____. a. policy b. rule c. procedure d. standard ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 734 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Compone KEYWORDS: Bloom's: Knowledge 41. Instructions to create a password are an example of a _____. a. rule b. policy c. standard d. procedure ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 734 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Compone KEYWORDS: Bloom's: Knowledge 42. In the context of data backup and recovery, the activities of a _____ includes the DBA operations that are classified as disaster management. a. database programmer b. systems analyst c. data administrator d. database security officer ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 735 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Compone KEYWORDS: Bloom's: Knowledge 43. Which of the following is a reason why a DBMS's daily operations must be clearly documented? a. Documentation of the daily operations help a b. Documentation of the daily operations help manage company set its long-term goals. the manual data resources of a company. c. Documentation of the daily operations help d. Documentation of the daily operations help free the pinpoint causes and solutions of database DBA from many lower-level technology-oriented problems. tasks.

Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 735 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Compone KEYWORDS: Bloom's: Knowledge 44. A(n) _____ plan is a set of instructions generated at application compilation time that predetermines how the application will connect to and communicate with the database at run time. a. access b. completion c. application d. communications ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 740 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Compone KEYWORDS: Bloom's: Knowledge 45. _____ activities cover all tasks directly related to the day-to-day operations of the DBMS and its applications. a. Backup and recovery b. System support c. Performance monitoring and tuning d. Security auditing and monitoring ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 741 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Compone KEYWORDS: Bloom's: Knowledge 46. _____ deals with ensuring that data is protected against unauthorized access, and if the data are accessed by an authorized user, that the data are used only for an authorized purpose. a. Integrity b. Compliance c. Availability d. Confidentiality ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 744 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security TOPICS: KEYWORDS:

Security Bloom's: Knowledge

47. _____ security breaches include database access by computer viruses and by hackers whose actions are designed to destroy or alter data. a. Debilitative b. Preserving c. Corrupting d. Destructive ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 745 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 48. When performing user access management, a DBA defines each user to the database at the _____ levels. a. application and DBMS b. operating system and DBMS c. operating system and application d. application and network ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 747 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 49. User-access management is a subset of _____. a. password protection b. authorization management c. data integrity management d. managerial control ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 747 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 50. In the context of database usage monitoring, a(n) _____ is a file that automatically records a brief description of the database operations performed by all users. a. change tracker b. digital footprint c. paper trail d. audit log ANSWER: d Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 748 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 51. A(n) _____ data dictionary is automatically updated by the DBMS with every database access. a. dynamic b. active c. passive d. static ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 748 LEARNING OBJECTIVES: DATA.CORO.15.LO16-7 - LO16-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Administration Tools KEYWORDS: Bloom's: Knowledge 52. A(n) _____ data dictionary is not updated automatically and usually requires a batch process to be run. a. active b. passive c. static d. dynamic ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 749 LEARNING OBJECTIVES: DATA.CORO.15.LO16-7 - LO16-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Administration Tools KEYWORDS: Bloom's: Knowledge 53. _____ CASE tools provide support for the planning, analysis, and design phases. a. Front-end b. Back-end c. Vertical d. Horizontal ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 751 LEARNING OBJECTIVES: DATA.CORO.15.LO16-7 - LO16-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Administration Tools KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security 54. _____ CASE tools provide support for the coding and implementation phases. a. Front-end b. Back-end c. Vertical d. Horizontal ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 751-752 LEARNING OBJECTIVES: DATA.CORO.15.LO16-7 - LO16-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Administration Tools KEYWORDS: Bloom's: Knowledge 55. The _____ component of a CASE tool produces the information system’s input/output formats. a. analysis b. graphics c. program document generator d. screen painter and report generator ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 752 LEARNING OBJECTIVES: DATA.CORO.15.LO16-7 - LO16-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Administration Tools KEYWORDS: Bloom's: Knowledge 56. _____ allows for the translation of the company’s strategic goals into the data and applications that will help the company achieve those goals. a. Access Management b. Business Intelligence c. Information engineering (IE) d. MOLAP ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 754 LEARNING OBJECTIVES: DATA.CORO.15.LO16-8 - LO16-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Developing a Data Administration strategy KEYWORDS: Bloom's: Knowledge 57. In the context of developing a data administration strategy, a(n) _____ provides a framework that includes computerized, automated, and integrated tools such as a DBMS and CASE tools. a. access plan b. active data dictionary c. information systems architecture d. security policy ANSWER: c POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security DIFFICULTY: Difficulty: Easy REFERENCES: p. 754 LEARNING OBJECTIVES: DATA.CORO.15.LO16-8 - LO16-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Developing a Data Administration strategy KEYWORDS: Bloom's: Knowledge 58. A(n) _____ is a logical storage area in Oracle. a. audit log b. datafile c. schema d. tablespace ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 759 LEARNING OBJECTIVES: DATA.CORO.15.LO16-9 - LO16-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The DBA at Work: Using Oracle for Database Administration KEYWORDS: Bloom's: Knowledge 59. In the context of the Oracle Enterprise Manager, a(n) _____ is a uniquely identifiable object that allows a given person to log on to the database. a. user b. role c. profile d. client ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 761 LEARNING OBJECTIVES: DATA.CORO.15.LO16-9 - LO16-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The DBA at Work: Using Oracle for Database Administration KEYWORDS: Bloom's: Knowledge 60. In the context of the Oracle Enterprise Manager, a(n) _____ is a named collection of database access privileges that authorize a user to connect to the database and use the database system resources. a. license b. role c. profile d. quota ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 761 LEARNING OBJECTIVES: DATA.CORO.15.LO16-9 - LO16-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The DBA at Work: Using Oracle for Database Administration KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security 61. In the context of the Oracle Enterprise Manager, a _____ is a named collection of settings that control how much of the database resource a given user can use. a. license b. role c. profile d. constraint ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 761 LEARNING OBJECTIVES: DATA.CORO.15.LO16-9 - LO16-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The DBA at Work: Using Oracle for Database Administration KEYWORDS: Bloom's: Knowledge 62. One of the important functions provided by the database _____ is to reserve the resources that must be used by the database at run time. a. security component b. authorization manager c. initialization parameters d. administrator ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 764 LEARNING OBJECTIVES: DATA.CORO.15.LO16-9 - LO16-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The DBA at Work: Using Oracle for Database Administration KEYWORDS: Bloom's: Knowledge 63. In the context of data quality management tools, _____ software is one that gathers statistics, analyzes existing data sources and metadata to determine patterns, and compares the patterns against standards that the organization has defined.

ANSWER: data-profiling POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 723 LEARNING OBJECTIVES: DATA.CORO.15.LO16-1 - LO16-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data as a Corporate Assets KEYWORDS: Bloom's: Knowledge 64. In the context of an organization's managerial structure, _____ decisions are short term and affect only daily operations; for example, deciding to change the price of a product to clear it from inventory.

ANSWER: operational POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 724 LEARNING OBJECTIVES: DATA.CORO.15.LO16-2 - LO16-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security TOPICS: KEYWORDS:

The Need for a Database and its Role in an Organization Bloom's: Knowledge

65. In the context of database administration, _____ is the extent to which individuals and organizations have the right to determine the “who, what, when, where, and how” of data usage.

ANSWER: privacy POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 724 LEARNING OBJECTIVES: DATA.CORO.15.LO16-2 - LO16-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Need for a Database and its Role in an Organization KEYWORDS: Bloom's: Knowledge 66. The _____ aspect of introducing a DBMS in an organization deals with hardware and software changes in the organization.

ANSWER: technological POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 725 LEARNING OBJECTIVES: DATA.CORO.15.LO16-3 - LO16-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction of a Database: Special Considerations KEYWORDS: Bloom's: Knowledge 67. In the context of the advancements in DBMS technology, the use of _____ data services can free the DBA from many lower-level technology-oriented tasks.

ANSWER: cloud POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 727 LEARNING OBJECTIVES: DATA.CORO.15.LO16-4 - LO16-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Database Administration KEYWORDS: Bloom's: Knowledge 68. In case a company installs several incompatible databases and assigns a DBA for each of them, the general coordinator of all such DBAs is known as the _____ administrator.

ANSWER: systems POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 729 LEARNING OBJECTIVES: DATA.CORO.15.LO16-4 - LO16-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Database Administration Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security KEYWORDS:

Bloom's: Knowledge

69. The _____, also known as the information resource manager (IRM), usually reports directly to top management and is given a higher degree of responsibility and authority than the DBA, although the two roles can overlap.

ANSWER: DA data administrator POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 729 LEARNING OBJECTIVES: DATA.CORO.15.LO16-4 - LO16-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Database Administration KEYWORDS: Bloom's: Knowledge 70. Based on the type of decision-making support required, database users may be classified into: operational, tactical, or _____.

ANSWER: strategic POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 731 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 71. The DSO’s activities are often classified as _____ management, which includes all DBA activities designed to ensure data availability following a physical calamity or a database integrity failure.

ANSWER: disaster POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 735 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 72. In the context of ensuring integrity of a database, a(n) _____ transaction is one that does not overload the DBMS. ANSWER: efficient POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 740 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security 73. The DBA must review the database application design to ensure that transactions are _____, meaning that they mirror real-world events.

ANSWER: correct POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 740 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 74. Performance monitoring and _____ activities are designed to ensure that the DBMS, utilities, and applications maintain satisfactory performance levels.

ANSWER: tuning POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 741-742 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 75. Within the data security framework, _____ is concerned with keeping data consistent and free of errors or anomalies.

ANSWER: integrity POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 744 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 76. A security _____ is a weakness in a system component that could be exploited to allow unauthorized access or cause service disruptions.

ANSWER: vulnerability POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 745 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 77. A(n) _____ physically stores the database’s data.

ANSWER: datafile Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 759 LEARNING OBJECTIVES: DATA.CORO.15.LO16-9 - LO16-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The DBA at Work: Using Oracle for Database Administration KEYWORDS: Bloom's: Knowledge 78. Describe the DBA’s managerial role.

ANSWER: As a manager, the DBA must concentrate on the control and planning of database administration. Therefore, the DBA is responsible for: - Coordinating, monitoring, and allocating database administration resources: people and data.

- Defining goals and formulating strategic plans for database administration.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 732 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Comprehension 79. Explain user requirements gathering as part of the DBA's end-user support services.

ANSWER: The DBA must work with end users to help gather the data required to identify and describe their present and future information needs. The DBA’s communication skills are important in working closely with people who have varying computer backgrounds and communication styles.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 733 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Comprehension 80. Explain conflict and problem resolution as part of the DBA’s end-user support services.

ANSWER: Finding solutions to end users’ problems in one department might trigger conflicts with other departments. End users are typically concerned with their own data needs rather than those of others, and they might not consider how their data may affect other departments within the organization. When conflicts arise, the DBA must have the authority and responsibility to resolve them.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 733 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security TOPICS: KEYWORDS:

The Database Environment's Human Component Bloom's: Comprehension

81. Describe the need for convenient and safe backup storage.

ANSWER: Multiple backups of the same data are required, and each backup copy must be stored in a different location. The storage locations must include sites inside and outside the organization. (Keeping different backups in the same place defeats the purpose of having multiple backups.) The storage locations must be properly prepared, and they may include fire-safe and quakeproof vaults as well as humidity and temperature controls. The DBA must establish a policy to respond to two questions: (1) Where are the backups to be stored? (2) How long are backups to be stored?

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 736 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Comprehension 82. The testing and evaluation of a database application cover all aspects of the system—from the simple collection and creation of data to its use and retirement. What is covered by the evaluation process?

ANSWER: - Technical aspects of both the applications and the database; backup and recovery, security and integrity, use of SQL, and application performance must be evaluated - Evaluation of the written documentation and procedures to ensure that they are accurate and easy to follow - Observance of standards for naming, documenting, and coding - Checking for data duplication conflicts with existing data - The enforcement of all data validation rules POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 741 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Comprehension 83. The use of cloud-based data services alters and expands the typical DBA's role in both technical and managerial dimensions. What is the DBA's role in this environment?

ANSWER: DBMS installation and updates. The service provider manages the installation and application of the updates within a specified maintenance window. The DBA's role is to carefully coordinate updates with the external cloud-based data service provider.

Server/network management. The service provider configures and manages the server where the DBMS reside. The DBA must work with his or her company's network department to ensure that the network is properly configured for security, performance, availability and management.

Backup and recovery operations. The service provider performs regular backups and stores backups i n secure facilities. The DBA must ensure that internal data privacy and retention Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security policies are enforced and maintained.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 741 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment Human Component KEYWORDS: Bloom's: Comprehension

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Chapter 01: Database Systems 1. Data and information are essentially the same thing. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p. 4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data versus Information KEYWORDS: Bloom's: Knowledge 2. Data processing can be as simple as organizing data to reveal patterns. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data versus Information KEYWORDS: Bloom's: Knowledge 3. Data is the result of processing raw facts to reveal its meaning. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data versus Information KEYWORDS: Bloom's: Knowledge 4. When data are entered into a form and saved, they are placed in the underlying database as knowledge. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Data versus Information KEYWORDS: Bloom's: Comprehension 5. Data constitute the building blocks of information. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data versus Information KEYWORDS: Bloom's: Knowledge 6. Metadata describe the data characteristics and the set of relationships that links the data found within the database. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 7. The only way to access the data in a database is through the DBMS. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Introducing the Database KEYWORDS: Bloom's: Comprehension 8. Database programming languages receive all application requests and translate them into the complex operations required to fulfill those requests. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Comprehension 9. The DBMS reveals much of the database’s internal complexity to the application programs and users. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Introducing the Database KEYWORDS: Bloom's: Comprehension 10. One disadvantage of the DBMS is that it increases the risk of data security breaches. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.7 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducting the Database KEYWORDS: Bloom's: Knowledge 11. An operational database is sometimes referred to as an enterprise database. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.9 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems TOPICS: KEYWORDS:

Data versus Information Bloom's: Knowledge

12. A data warehouse can store data derived from many sources. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.9 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom’s: Knowledge 13. The same data might be simultaneously structured and unstructured depending on the intended processing. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.9 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Introducing the Database KEYWORDS: Bloom’s: Comprehension 14. Corporations use only structured data. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.10 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Introducing the Database KEYWORDS: Bloom's: Comprehension 15. Field refers to a collection of related records. a. True b. False ANSWER: False Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.15 LEARNING OBJECTIVES: DATA.CORO.15.LO1-5 - LO1-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Evolution of File System Data Processing KEYWORDS: Bloom’s: Knowledge 16. Structural dependence exists when it is possible to make changes in the file structure without affecting the application program’s ability to access the data. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.21 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Comprehension 17. Data anomaly is defined as the condition in which all of the data in the database are consistent with the real-world events and conditions. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 19 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Knowledge 18. One disadvantage of a database system over previous data management approaches is increased costs. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.28 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database System Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems KEYWORDS:

Bloom's: Knowledge

19. An advantage of database systems is that you needn't perform frequent updates and apply latest patches. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.28 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Database System KEYWORDS: Bloom's: Comprehension 20. One advantage of a database system over previous data management approaches is that the database system is considerably less complex. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 28 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database System KEYWORDS: Bloom's: Comprehension 21. _____ is the result of revealing the meaning of raw facts. a. End-user data b. An encoded sample c. An encrypted bit d. Information ANSWER: d POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data versus Information KEYWORDS: Bloom's: Knowledge 22. _____ is the body of information and facts about a specific subject. a. Validation b. A format c. Knowledge d. A database ANSWER: c POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems DIFFICULTY: Easy REFERENCES: REF: p.5 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data versus Information KEYWORDS: Bloom's: Knowledge 23. Accurate, relevant, and timely information is the key to ____. a. data management b. good decision making c. knowledge d. understanding ANSWER: b POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p.5 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data versus Information KEYWORDS: Bloom's: Comprehension 24. End-user data is _____. a. knowledge about the end users b. raw facts of interest to the end user c. information about a specific subject d. accurate, relevant and timely information ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: REG: p. 6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 25. _____ provide a description of the data characteristics and the set of relationships that link the data found within the database. a. Queries b. End-user data c. Metadata d. Schemas ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 26. _____ serve as the intermediary between the user and the database.

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Chapter 01: Database Systems a. DBMSs b. Metadata c. End-user data d. Programming languages ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 27. The database structure in a DBMS is stored as a _____. a. single file b. collection of files c. set of key/value pairs d. collection of queries ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 28. A(n) _____ might be written by a programmer or it might be created through a DBMS utility program. a. query b. operating system c. database management system d. application ANSWER: d POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 29. _____ exists when different versions of the same data appear in different places. a. Data inconsistency b. Poor data security c. Structural dependence d. Conceptual dependence ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 7 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems TOPICS: KEYWORDS:

Introducing the Database Bloom's: Knowledge

30. The response of the DBMS to a query is the ___________ a. ad hoc query b. ad hoc response c. query result set d. integrated view of the data ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 7 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 31. A(n) _____ database is used by an organization and supports many users across many departments. a. desktop b. workgroup c. enterprise d. transactional ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 8 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 32. A(n) _____ database supports a relatively small number of users (usually fewer than 50) or a specific department within an organization. a. desktop b. workgroup c. enterprise d. transactional ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p.8 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 33. A workgroup database is a(n) _____ database. a. single-user b. multiuser c. desktop d. distributed ANSWER: b POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems DIFFICULTY: Easy REFERENCES: REF: p. 8 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 34. A desktop database is a _____ database. a. single-user b. multiuser c. workgroup d. distributed ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 8 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 35. Data warehouse contains historical data obtained from the _____. a. operational databases b. desktop database c. enterprise databases d. workgroup databases ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 9 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 36. _____ data exist in the format in which they were collected. a. Structured b. Semistructured c. Unstructured d. Historical ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 9 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 37. _____ data exist in a format that does not lend itself to processing that yields information.

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Chapter 01: Database Systems a. Structured b. Semistructured c. Unstructured d. Historical ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 9 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 38. _____ are the result of formatting disorganized data in order to facilitate storage, use and generation of information. a. Structured data b. Raw data c. Unstructured data d. Obsolete data ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 9 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 39. Most data that can be encountered are best classified as _____. a. structured b. semistructured c. unstructured d. historical ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 10 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 40. An XML database supports the storage and management of _____ XML data. a. structured b. multistructured c. fullystructured d. semistructured ANSWER: d POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 10 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems TOPICS: KEYWORDS:

Introducing the Database Bloom's: Knowledge

41. The organization of data within folders in a manual file system is determined by _______. a. its date of creation b. its expected use c. the title of the documents in the folder d. the data processing specialist ANSWER: b POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 14 LEARNING OBJECTIVES: DATA.CORO.15.LO1-5 - LO1-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Evolution of File System Data Processing KEYWORDS: Bloom's: Comprehension 42. A _____ is a logically connected set of one or more fields that describes a person, place, or thing. a. database b. column c. record d. file ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 15 LEARNING OBJECTIVES: DATA.CORO.15.LO1-5 - LO1-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Evolution of File System Data Processing KEYWORDS: Bloom's: Knowledge 43. A _____ is a collection of related records. a. schema b. field c. column d. file ANSWER: d POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 15 LEARNING OBJECTIVES: DATA.CORO.15.LO1-5 - LO1-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Evolution of File System Data Processing KEYWORDS: Bloom's: Knowledge 44. A _____ is a character or group of characters that has a specific meaning. a. database b. field c. record d. file ANSWER: b POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems DIFFICULTY: Easy REFERENCES: REF: p. 15 LEARNING OBJECTIVES: DATA.CORO.15.LO1-5 - LO1-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Evolution of File System Data Processing KEYWORDS: Bloom's: Knowledge 45. Which of the following is true of spreadsheet applications? a. They provide enhanced security and robust data sharing features. c. They are a better alternative to databases.

b. They do not allow manipulation of data once entered. d. They enhance the user's ability to understand the data.

ANSWER: d POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 17 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Evolution of File System Data Processing KEYWORDS: Bloom's: Comprehension 46. Which of the following refers to the situation where different versions of the same data are stored at different places because they weren’t updated consistently? a. Data query b. Data integrity c. Data dictionary d. Data redundancy ANSWER: d POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 20 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Knowledge 47. Data is said to be verifiable if: a. the data always yields consistent results. b. the data cannot be changed or manipulated. c. the data is obtained from trusted sources. d. the data is stored in different places within the database.

ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 20 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Problems with System Data Processing KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems 48. _____ is defined as the condition in which all of the data in the database are consistent with the real-world events and conditions. a. Data integrity b. Data anomaly c. Data ubiquity d. Data quality ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 20 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Knowledge 49. The term _____ refers to an organization of components that define and regulate the collection, storage, management and use of data within a database environment. a. structured data b. transaction c. management system d. database system ANSWER: d POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 22 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Systems KEYWORDS: Bloom's: Comprehension 50. _____ relates to the activities that make the database execute transactions more efficiently in terms of storage and access speed. a. Performance tuning b. Database design c. Query access d. Database management ANSWER: a POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 25 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Systems KEYWORDS: Bloom's: Comprehension 51. _______ refers to a type of database that stores most of its data in RAM rather than in hard disks. a. Integrated databases b. Cloud databases c. Desktop databases d. In-memory databases ANSWER: d POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems DIFFICULTY: Easy REFERENCES: p.30 LEARNING OBJECTIVES: DATA.CORO.15.LO1-8 - LO 1-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Preparing for Your Database Professional Career KEYWORDS: Bloom's: Knowledge 52. _____ is the result of processing raw data to reveal its meaning.

ANSWER: Information POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Versus Information KEYWORDS: Bloom's: Knowledge 53. To reveal meaning, information requires _____.

ANSWER: context POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Versus Information KEYWORDS: Bloom's: Knowledge 54. Raw data must be properly _____ for storage, processing and presentation.

ANSWER: formatted POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Versus Information KEYWORDS: Bloom's: Knowledge 55. Information is produced by processing _____.

ANSWER: data POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 4 LEARNING OBJECTIVES: DATA.CORO.15.LO1-2 - LO1-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems TOPICS: KEYWORDS:

Data Versus Information Bloom's: Knowledge

56. _____ is data about data through which the end-user data are integrated and managed.

ANSWER: Metadata POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 57. A(n) _____ is a collection of programs that manages the database structure and controls access to the data stored in the database.

ANSWER: DBMS (database management system) database management system (DBMS) database management system DBMS POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 58. A(n) _____ is a spur-of-the-moment question.

ANSWER: ad hoc query POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 7 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Comprehension 59. A(n) _____ is a specific request issued to the DBMS for data manipulation.

ANSWER: query POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 7 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems KEYWORDS:

Bloom's: Knowledge

60. _____ databases focus primarily on storing data used to generate information required to make tactical or strategic decisions.

ANSWER: Analytical POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 9 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 61. _____ is a special language used to represent and manipulate data elements in a textual format.

ANSWER: XML (Extensible Markup Language) Extensible Markup Language (XML) Extensible Markup Language XML POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 10 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introducing the Database KEYWORDS: Bloom's: Knowledge 62. _____ exists when it is possible to make changes in the data storage characteristics without affecting an application program’s ability to access data.

ANSWER: Data independence POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 19 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Comprehension 63. The term _____ refers to scattered locations storing the same basic data.

ANSWER: islands of information POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 20 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Problems with File System Data Processing Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems KEYWORDS:

Bloom's: Knowledge

64. _____ exists when different and conflicting versions of the same data appear in different places.

ANSWER: Data inconsistency POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 20 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Knowledge 65. _____ exists when the same data are stored unnecessarily at different places.

ANSWER: Data redundancy POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 20 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Knowledge 66. A(n) _____ develops when all required changes in the redundant data are not made successfully.

ANSWER: data anomaly anomaly POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 21 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Knowledge 67. The DBMS uses the _____ to look up the required data component structures and relationships, thus relieving programmers from having to code such complex relationships in each program.

ANSWER: data dictionary POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 25 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Systems KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems 68. _____ relates to activities that make a database operate more efficiently in terms of storage and access speed.

ANSWER: Performance tuning POINTS: 1 DIFFICULTY: Easy REFERENCES: REF: p. 25 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Systems KEYWORDS: Bloom's: Knowledge 69. Describe what metadata are and what value they provide to the database system.

ANSWER: The metadata describe the data characteristics and the set of relationships that links the data found within the database. For example, the metadata component stores information such as the name of each data element, the type of values (numeric, dates, or text) stored on each data element, and whether the data element can be left empty. The metadata provide information that complements and expands the value and use of the data. In short, metadata present a more complete picture of the data in the database. Given the characteristics of metadata, you might hear a database described as a “collection of self-describing data.”

POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Introducing the Database KEYWORDS: Bloom's: Comprehension 70. What are the advantages of having the DBMS between the end user’s applications and the database?

ANSWER: Having a DBMS between the end user’s applications and the database offers some important advantages. First, the DBMS enables the data in the database to be shared among multiple applications or users. Second, the DBMS integrates the many different users’ views of the data into a single all-encompassing data repository.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 6 LEARNING OBJECTIVES: DATA.CORO.15.LO1-3 - LO1-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Introducing the Database KEYWORDS: Bloom's: Comprehension 71. Discuss some considerations when designing a database.

ANSWER: Proper database design requires the designer to identify precisely the database’s expected use. Designing a transactional database emphasizes accurate and consistent data and operational speed. Designing a data warehouse database emphasizes the use of historical and aggregated data. Designing a database to be used in a centralized, single-user environment requires a different approach from that used in the design of a distributed, multiuser database.

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Chapter 01: Database Systems Designing appropriate data repositories of integrated information using the two-dimensional table structures found in most databases is a process of decomposition. The integrated data must be decomposed properly into its constituent parts, with each part stored in its own table.

Further, the relationships between these tables must be carefully considered and implemented so the integrated view of the data can be re-created later as information for the end user. A well-designed database facilitates data management and generates accurate and valuable information. A poorly designed database is likely to become a breeding ground for difficultto-trace errors that may lead to bad decision making—and bad decision making can lead to the failure of an organization. Database design is simply too important to be left to luck.

That’s why college students study database design, why organizations of all types and sizes send personnel to database design seminars, and why database design consultants often make an excellent living.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 14 LEARNING OBJECTIVES: DATA.CORO.15.LO1-4 - LO1-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Why Database Design is Important KEYWORDS: Bloom's: Comprehension 72. What are some reasons for studying file systems?

ANSWER: A brief explanation of the evolution of file system data processing can be helpful in understanding the data access limitations that databases attempt to overcome. Understanding these limitations is relevant to database designers and developers because database technologies do not make these problems magically disappear—database technologies simply make it easier to create solutions that avoid these problems. Creating database designs that avoid the pitfalls of earlier systems requires that the designer understand these problems and how to avoid them; otherwise, the database technologies are no better (and are potentially even worse!) than the technologies and techniques they have replaced.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 14 LEARNING OBJECTIVES: DATA.CORO.15.LO1-5 - LO1-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Why Database Design is Important KEYWORDS: Bloom's: Comprehension 73. What are the problems associated with file systems? How do they challenge the types of information that can be created from the data as well as the accuracy of the information?

ANSWER: The following problems associated with file systems, whether created by DP specialists or through a series of spread-sheets, severely challenge the types of information that can be created from the data as well as the accuracy of the information:

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Lengthy development times. The first and most glaring problem with the file system approach is that even the simplest data-retrieval task requires extensive programming. With the older file systems, programmers had to specify what must be done and how to do it.

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Chapter 01: Database Systems

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Difficulty of getting quick answers. The need to write programs to produce even the simplest reports makes ad hoc queries impossible. Harried DP specialists who worked with mature file systems often received numerous requests for new reports.

They were often forced to say that the report will be ready “next week” or even “next month.” If you need the information now, getting it next week or next month will not serve your information needs.

Complex system administration. System administration becomes more difficult as the number of files in the system expands. Even a simple file system with a few files requires creating and maintaining several file management programs. Each file must have its own file management programs that allow the user to add, modify, and delete records; to list the file contents; and to generate reports. Because ad hoc queries are not possible, the file reporting programs can multiply quickly. The problem is compounded by the fact that each department in the organization “owns” its data by creating its own files.

Lack of security and limited data sharing. Another fault of a file system data repository is a lack of security and limited data sharing. Data sharing and security are closely related. Sharing data among multiple geographically dispersed users introduces a lot of security risks. In terms of spreadsheet data, while many spreadsheet programs provide rudimentary security options, they are not always used, and even when they are, they are insufficient for robust data sharing among users. In terms of creating data management and reporting programs, security and data-sharing features are difficult to program and consequently are often omitted from a file system environment. Such features include effective password protection, the ability to lock out parts of files or parts of the system itself, and other measures designed to safeguard data confidentiality. Even when an attempt is made to improve system and data security, the security devices tend to be limited in scope and effectiveness.

Extensive programming. Making changes to an existing file structure can be difficult in a file system environment.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 18-19 LEARNING OBJECTIVES: DATA.CORO.15.LO1-6 - LO1-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Problems with File System Data Processing KEYWORDS: Bloom's: Comprehension 74. Describe the five types of users identified in a database system.

ANSWER: 1. System administrators oversee the database system’s general operations.

2. Database administrators, also known as DBAs, manage the DBMS and ensure that the database is functioning properly.

3. Database designers design the database structure. They are, in effect, the database architects. If the database design is poor, even the best application programmers and the most dedicated DBAs cannot produce a useful database environment. Because organizations strive to optimize their data resources, the database designer’s job description has expanded to cover new dimensions and growing responsibilities.

4. System analysts and programmers design and implement the application programs.

They design and create the data-entry screens, reports, and procedures through which Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems end users access and manipulate the database’s data.

5. End users are the people who use the application programs to run the organization’s daily operations. For example, sales clerks, supervisors, managers, and directors are all classified as end users. High-level end users employ the information obtained from the database to make tactical and strategic business decisions.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 23-24 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Systems KEYWORDS: Bloom's: Comprehension 75. What are the disadvantages of database systems?

ANSWER: Although the database system yields considerable advantages over previous data management approaches, database systems do carry significant disadvantages:

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Increased costs. Database systems require sophisticated hardware and software and highly skilled personnel. The cost of maintaining the hardware, software, and personnel required to operate and manage a database system can be substantial.

Training, licensing, and regulation compliance costs are often overlooked when database systems are implemented.

Management complexity. Database systems interface with many different technologies and have a significant impact on a company’s resources and culture.

The changes introduced by the adoption of a database system must be properly managed to ensure that they help advance the company’s objectives. Because database systems hold crucial company data that are accessed from multiple sources, security issues must be assessed constantly.

Maintaining currency. To maximize the efficiency of the database system, you must keep your system cur-rent. Therefore, you must perform frequent updates and apply the latest patches and security measures to all components. Because database technology advances rapidly, personnel training costs tend to be significant.

Vendor dependence. Given the heavy investment in technology and personnel training, companies might be reluctant to change database vendors. As a consequence, vendors are less likely to offer pricing point advantages to existing customers, and those customers might be limited in their choice of database system components.

Frequent upgrade/replacement cycles. DBMS vendors frequently upgrade their products by adding new func-tionality. Such new features often come bundled in new upgrade versions of the software. Some of these ver-sions require hardware upgrades. Not only do the upgrades themselves cost money, it also costs money to train database users and administrators to properly use and manage the new features.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: REF: p. 28 LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 Copyright Cengage Learning. Powered by Cognero.

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Chapter 01: Database Systems NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Systems KEYWORDS: Bloom's: Comprehension 76. Discuss any three functions performed by the DBMS that guarantee the integrity and consistency of the data in the database. (answers may vary) ANSWER: 

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Data dictionary management. The DBMS stores definitions of the data elements and their relationships (metadata) in a data dictionary. In turn, all programs that access the data in the database work through the DBMS. The DBMS uses the data dictionary to look up the required data component structures and relationships, thus relieving you from having to code such complex relationships in each program.

Additionally, any changes made in a database structure are automatically recorded in the data dictionary, thereby freeing you from having to modify all of the programs that access the changed structure. In other words, the DBMS provides data abstraction, and it removes structural and data dependence from the system.

Data storage management. The DBMS creates and manages the complex structures required for data stor-age, thus relieving you from the difficult task of defining and programming the physical data characteristics. A modern DBMS provides storage not only for the data but for related data-entry forms or screen definitions, report definitions, data validation rules, procedural code, structures to handle video and picture formats, and so on. Data storage management is also important for database performance tuning. Performance tuning relates to the activities that make the database perform more efficiently in terms of storage and access speed. Although the user sees the database as a single data storage unit, the DBMS actually stores the database in multiple physical data files. Such data files may even be stored on different storage media. Therefore, the DBMS doesn’t have to wait for one disk request to finish before the next one starts. In other words, the DBMS can fulfill database requests concurrently.

Data transformation and presentation. The DBMS transforms entered data to conform to required data structures. The DBMS relieves you of the chore of distinguishing between the logical data format and the physical data format. That is, the DBMS formats the physically retrieved data to make it conform to the user’s logical expectations.

Security management. The DBMS creates a security system that enforces user security and data privacy. Security rules determine which users can access the database, which data items each user can access, and which data operations (read, add, delete, or modify) the user can perform. This is especially important in multiuser database systems.

POINTS: 1 DIFFICULTY: Moderate LEARNING OBJECTIVES: DATA.CORO.15.LO1-7 - LO1-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic KEYWORDS: Bloom's: Comprehension

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Chapter 02: Data Models 1. A data model is usually graphical. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 36 LEARNING OBJECTIVES: DATA.CORO.15.LO2-1 - LO2-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 2. An implementation-ready data model needn't necessarily contain enforceable rules to guarantee the integrity of the data. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 36 LEARNING OBJECTIVES: DATA.CORO.15.LO2-1 - LO2-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Comprehension 3. An implementation-ready data model should contain a description of the data structure that will store the end-user data. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 36 LEARNING OBJECTIVES: DATA.CORO.15.LO2-1 - LO2-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 4. Within the database environment, a data model represents data structures with the purpose of supporting a specific problem domain. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 36 Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models LEARNING OBJECTIVES: DATA.CORO.15.LO2-1 - LO2-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 5. Even when a good database blueprint is available, an applications programmer’s view of the data should match that of the manager and the end user. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 37 LEARNING OBJECTIVES: DATA.CORO.15.LO2-2 - LO2-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Importance of Data Models KEYWORDS: Bloom's: Comprehension 6. In the context of data models, an entity is a person, place, thing, or event about which data will be collected and stored. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 37-38 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Model Basic Building Blocks KEYWORDS: Bloom's: Knowledge 7. Database designers determine the data and information that yield the required understanding of the entire business. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 39 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Business Rules KEYWORDS: Bloom's: Knowledge 8. Business rules apply to businesses and government groups, but not to other types of organizations such as religious groups or research laboratories. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 39 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Business Rules KEYWORDS: Bloom's: Comprehension 9. Business rules must be rendered in writing. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 39 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Communication - Communication KEYWORDS: Bloom's: Knowledge 10. A disadvantage of the relational database management system (RDBMS) is its inability to hide the complexities of the relational model from the user. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 43 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Comprehension 11. In an SQL-based relational database, each table is dependent on every other table. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 45 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models KEYWORDS:

Bloom's: Knowledge

12. In an SQL-based relational database, rows in different tables are related based on common values in common attributes. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 45 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 13. Each row in the relational table is known as an entity instance or entity occurrence in the ER model. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 46 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 14. M:N relationships are not appropriate in a relational model. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 47 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 15. In Chen notation, entities and relationships have to be oriented horizontally; not vertically. a. True b. False ANSWER: False Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 47 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 16. Today, most relational database products can be classified as object/relational. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 50 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 17. The network model has structural level dependence. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 56 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 18. The external model is the representation of the database as “seen” by the DBMS. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 60 LEARNING OBJECTIVES: DATA.CORO.15.LO2-6 - LO2-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Degrees of Data Abstraction KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models 19. The hierarchical model is software-independent. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 62 LEARNING OBJECTIVES: DATA.CORO.15.LO2-6 - LO2-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Degrees of Data Abstraction KEYWORDS: Bloom's: Knowledge 20. The relational model is hardware-dependent and software-independent. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 62 LEARNING OBJECTIVES: DATA.CORO.15.LO2-6 - LO2-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Degrees of Data Abstraction KEYWORDS: Bloom's: Knowledge 21. A(n) _____’s main function is to help one understand the complexities of the real-world environment. a. node b. entity c. model d. database ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 36 LEARNING OBJECTIVES: DATA.CORO.15.LO2-1 - LO2-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 22. A(n) _____ is anything about which data are to be collected and stored. a. attribute b. entity c. relationship d. constraint ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 37 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Model Basic Building Blocks KEYWORDS: Bloom's: Knowledge 23. A(n) _____ represents a particular type of object in the real world. a. attribute b. entity c. relationship d. node ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 38 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 24. A(n) _____ is the equivalent of a field in a file system. a. attribute b. entity c. relationship d. constraint ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 38 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 25. A(n) _____ is bidirectional. a. attribute b. entity c. relationship d. constraint ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 38 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 26. A(n) _____ is a restriction placed on the data. a. attribute b. entity c. relationship d. constraint ANSWER: d Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 38 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 27. _____ are important because they help to ensure data integrity. a. Attributes b. Entities c. Relationships d. Constraints ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 38 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 28. _____ are normally expressed in the form of rules. a. Attributes b. Entities c. Relationships d. Constraints ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 38 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge 29. Students and classes have a _____ relationship. a. one-to-one b. one-to-many c. many-to-one d. many-to-many ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 38 LEARNING OBJECTIVES: DATA.CORO.15.LO2-3 - LO2-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models 30. From a database point of view, the collection of data becomes meaningful only when it reflects properly defined _____. a. business rules b. business norms c. business goals d. business plans ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 39 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Rules KEYWORDS: Bloom's: Comprehension 31. Which of the following is true of business rules? a. They allow the designer to set company policies with regard to data. b. They allow the designer to develop business processes. c. They can serve as a communication tool between the users and designers. d. They provide a framework for the company’s self-actualization.

ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REG: p. 40 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Rules KEYWORDS: Bloom's: Comprehension 32. A noun in a business rule translates to a(n) _____ in the data model. a. entity b. attribute c. relationship d. constraint ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 40 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Business Rules KEYWORDS: Bloom's: Knowledge 33. A verb associating two nouns in a business rule translates to a(n) _____ in the data model. a. entity b. attribute c. relationship d. constraint ANSWER: c Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 40 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Business Rules KEYWORDS: Bloom's: Knowledge 34. In the _____ model, the basic logical structure is represented as an upside-down tree. a. hierarchical b. network c. relational d. entity relationship ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 41 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 35. In the _____ model, each parent can have many children, but each child has only one parent. a. hierarchical b. network c. relational d. entity relationship ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 41 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Comprehension 36. The hierarchical data model was developed in the _____. a. 1960s b. 1970s c. 1980s d. 1990s ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 41 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models 37. In the _____ model, the user perceives the database as a collection of records in 1:M relationships, where each record can have more than one parent. a. hierarchical b. network c. object-oriented d. entity relationship ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 41-42 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 38. The object-oriented data model was developed in the _____. a. 1960s b. 1970s c. 1980s d. 1990s ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 42 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 39. VMS/VSAM is an example of the _____. a. hierarchical model b. file system data model c. relational data model d. XML data model ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 42 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 40. Oracle 11g is an example of the _____. a. hierarchical model b. file system data model c. relational data model d. XML/Hybrid data model ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 42 Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 41. MySQL is an example of the _____. a. hierarchical model b. file system data model c. relational data model d. XML data model ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 42 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 42. A(n) _____ enables a database administrator to describe schema components. a. extensible markup language (XML) b. data definition language (DDL) c. unified modeling language (UML) d. query language ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 42 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 43. The relational data model was developed in the _____. a. 1960s b. 1970s c. 1980s d. 1990s ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 43 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 44. The _____ model was developed to allow designers to use a graphical tool to examine structures rather than describing them with text. a. hierarchical b. network c. object-oriented d. entity relationship Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 45 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 45. A(n) _______ enables a database administrator to describe schema components. a. extensible markup language (XML) b. data definition language (DDL) c. unified modeling language (UML) d. query language ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 46 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 46. The _____ model uses the term connectivity to label the relationship types. a. relational b. network c. object-oriented d. entity relationship ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 45 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 47. The _____ data model is said to be a semantic data model. a. relational b. network c. object-oriented d. entity relationship ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 48 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models 48. The _____ data model uses the concept of inheritance. a. relational b. network c. object-oriented d. entity relationship ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 50 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 49. Which of the following types of HDFS nodes stores all the metadata about a file system? a. Data node b. Client node c. Name node d. Map node ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 52 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 50. Which of the following is true of NoSQL databases? a. They do not support distributed database architectures. b. They are not based on the relational model. c. They are geared toward transaction consistency rather than d. They do not support very large amounts of performance. sparse data.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 53 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Comprehension 51. Which of the following types of HDFS nodes acts as the interface between the user application and the HDFS? a. Data node b. Client node c. Name node d. Map node ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models REFERENCES: REF: p. 53 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 52. NoSQL databases: a. are geared toward transaction consistency; not performance. b. support only small amounts of sparse data. c. are based on the relational model. d. provide fault tolerance.

ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 55 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Comprehension 53. Which of the following is a disadvantage of the hierarchical data model? a. It does not promote data sharing. b. It is not efficient with 1:M relationships. c. It does not promote data integrity. d. It does not have standards.

ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 58 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Comprehension 54. One of the limitations of the _____ model is that there is a lack of standards. a. hierarchical b. network c. relational d. entity relationship ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 58 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 55. The _____ model is the end users’ view of the data environment.

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Chapter 02: Data Models a. abstract b. external c. conceptual d. internal ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 60 LEARNING OBJECTIVES: DATA.CORO.15.LO2-6 - LO2-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 56. An internal _____ refers to a specific representation of an internal model, using the database constructs supported by the chosen database. a. tuple b. schema c. object d. value ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 62 LEARNING OBJECTIVES: DATA.CORO.15.LO2-6 - LO2-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Degrees of Data Abstraction KEYWORDS: Bloom's: Knowledge 57. A(n) _____ is a relatively simple representation of more complex real-world data structures.

ANSWER: data model POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 36 LEARNING OBJECTIVES: DATA.CORO.15.LO2-1 - LO2-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data modeling and Data Models KEYWORDS: Bloom's: Knowledge 58. A(n) _____ is a brief, precise, and unambiguous description of a policy, procedure, or principle within a specific organization.

ANSWER: business rule POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 39 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Business Rules KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models 59. A(n) _____ in a hierarchical model is the equivalent of a record in a file system.

ANSWER: segment POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 41 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 60. A(n) _____ is the conceptual organization of an entire database as viewed by a database administrator.

ANSWER: schema POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 42 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 61. A(n) _____ defines the environment in which data can be managed and is used to work with the data in the database.

ANSWER: data manipulation language (DML) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 42 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 62. The relational model’s foundation is a mathematical concept known as a _____.

ANSWER: relation POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 43 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 63. Each row in a relation is called a(n) _____.

ANSWER: tuple POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 43 Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 64. Each column in a relation represents a(n) _____.

ANSWER: attribute POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 43 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 65. Each row in the relational table is known as a(n) _____.

ANSWER: entity instance POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 46 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 66. In _____, a three-pronged symbol represents the “many” side of the relationship.

ANSWER: Crow’s Foot notation POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 46 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 67. A(n) _____ is a collection of similar objects with a shared structure and behavior.

ANSWER: class POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 48 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models 68. In object-oriented terms, a(n) _____ defines an object’s behavior.

ANSWER: method POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 48 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 69. _____ is a language based on OO concepts that describes a set of diagrams and symbols used to graphically model a system.

ANSWER: UML (Unified Modeling Language) Unified Modeling Language (UML) Unified Modeling Language UML POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 48 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Knowledge 70. The term _____ is used to refer to the task of creating a conceptual data model that could be implemented in any DBMS. ANSWER: logical design POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 62 LEARNING OBJECTIVES: DATA.CORO.15.LO2-6 - LO2-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Degrees of Data Abstraction KEYWORDS: Bloom's: Knowledge 71. The _____ is the representation of a database as “seen” by the DBMS. ANSWER: internal model POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 62 LEARNING OBJECTIVES: DATA.CORO.15.LO2-6 - LO2-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Degrees of Data Abstraction KEYWORDS: Bloom's: Knowledge 72. What components should an implementation-ready data model contain?

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Chapter 02: Data Models ANSWER:

An implementation-ready data model should contain at least the following components: A description of the data structure that will store the end-user data.

A set of enforceable rules to guarantee the integrity of the data.

A data manipulation methodology to support the real-world data transformations.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 36 LEARNING OBJECTIVES: DATA.CORO.15.LO2-1 - LO2-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Data Modeling and Data Models KEYWORDS: Bloom's: Comprehension 73. What do business rules require to be effective?

ANSWER: To be effective, business rules must be easy to understand and widely disseminated to ensure that every person in the organization shares a common interpretation of the rules. Business rules describe, in simple language, the main and distinguishing characteristics of the data as viewed by the company.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 39 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Communication - Communication TOPICS: Business Rules KEYWORDS: Bloom's: Comprehension 74. What are the sources of business rules, and what is the database designer’s role with regard to business rules?

ANSWER: The main sources of business rules are company managers, policy makers, department managers, and written documentation such as a company’s procedures, standards, and operations manuals. A faster and more direct source of business rules is direct interviews with end users. Unfortunately, because perceptions differ, end users are sometimes a less reliable source when it comes to specifying business rules. For example, a maintenance department mechanic might believe that any mechanic can initiate a maintenance procedure, when actually only mechanics with inspection authorization can perform such a task. Such a distinction might seem trivial, but it can have major legal consequences. Although end users are crucial contributors to the development of business rules, it pays to verify end-user perceptions. Too often, interviews with several people who perform the same job yield very different perceptions of what the job components are. While such a discovery may point to “management problems,” that general diagnosis does not help the database designer. The database designer’s job is to reconcile such differences and verify the results of the reconciliation to ensure that the business rules are appropriate and accurate.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 39-40 LEARNING OBJECTIVES: DATA.CORO.15.LO2-4 - LO2-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Rules Copyright Cengage Learning. Powered by Cognero.

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Chapter 02: Data Models KEYWORDS:

Bloom's: Comprehension

75. Describe the three parts involved in any SQL-based relational database application.

ANSWER: From an end-user perspective, any SQL-based relational database application involves three parts: a user interface, a set of tables stored in the database, and the SQL “engine.” Each of these parts is explained below.

1. The end-user interface. Basically, the interface allows the end user to interact with the data (by automatically generating SQL code). Each interface is a product of the software vendor’s idea of meaningful interaction with the data. You can also design your own customized interface with the help of application generators that are now standard fare in the database software arena.

2. A collection of tables stored in the database. In a relational database, all data are perceived to be stored in tables. The tables simply “present” the data to the end user in a way that is easy to understand. Each table is independent. Rows in different tables are related by common values in common attributes.

3. SQL engine. Largely hidden from the end user, the SQL engine executes all queries, or data requests. Keep in mind that the SQL engine is part of the DBMS software.

The end user uses SQL to create table structures and to perform data access and table maintenance. The SQL engine processes all user requests—largely behind the scenes and without the end user’s knowledge. Hence, SQL is said to be a declarative language that tells what must be done but not how.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: RED: p. 45 LEARNING OBJECTIVES: DATA.CORO.15.LO2-5 - LO2-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Evolution of Data Models KEYWORDS: Bloom's: Comprehension

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Chapter 03: The Relational Database Model 1. The practical significance of taking the logical view of a database is that it serves as a reminder of the simple file concept of data storage. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.73 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG:Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Comprehension 2. You can think of a table as a persistent representation of a logical relation. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.74 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 3. The order of the rows and columns is important to the DBMS. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.74 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 4. Character data can contain any character or symbol intended for mathematical manipulation. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.75 Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 5. The row’s range of permissible values is known as its domain. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.75 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 6. The idea of determination is unique to the database environment. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.76 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Comprehension 7. Only a single attribute, not multiple attributes, can define functional dependence. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.76 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 8. If the attribute (B) is functionally dependent on a composite key (A) but not on any subset of that composite key, the attribute (B) is fully functionally dependent on (A). a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.77 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Comprehension 9. A null is created when you press the Enter key or the Tab key to move to the next entry without making a prior entry of any kind. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.78 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 10. Depending on the sophistication of the application development software, nulls can create problems when functions such as COUNT, AVERAGE, and SUM are used. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.78 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 11. RDBMSs enforce integrity rules automatically. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.80 LEARNING OBJECTIVES: DATA.CORO.15.LO3-3 - LO3-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model TOPICS: KEYWORDS:

Integrity Rules Bloom's: Knowledge

12. Relational algebra defines the theoretical way of manipulating table contents using relational operators. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.82 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 13. The SELECT operator yields a vertical subset of a table. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.83 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 14. The DIFFERENCE operator subtracts one table from the other. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.85 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 15. In a natural join, the column on which the join was made occurs twice in the new table. a. True b. False ANSWER: False POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model DIFFICULTY: Difficulty: Easy REFERENCES: p.88 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 16. The DIVIDE operation uses one single-column table (e.g., column “a”) as the divisor and one two-column table (e.g., columns “a” and “b”) as the dividend. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.90 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 17. A data dictionary is sometimes described as “the database designer’s database” because it records the design decisions about tables and their structures. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.91 LEARNING OBJECTIVES: DATA.CORO.15.LO3-5 - LO3-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Dictionary and the System Catalog KEYWORDS: Bloom's: Knowledge 18. The one-to-many (1:M) relationship is easily implemented in the relational model by putting the foreign key of the “1” side in the table of the “many” side as a primary key. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.94 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Comprehension Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model 19. As rare as 1:1 relationships should be, certain conditions absolutely require their use. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.96 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Knowledge 20. Each table in a relational database must have a primary key. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.73 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 21. _____ logic, used extensively in mathematics, provides a framework in which an assertion (statement of fact) can be verified as either true or false. a. Predicate b. Database c. Relational d. Index ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.73 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 22. Each table _____ represents an attribute. a. column b. row c. dimension d. value ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.74 Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 23. Date attributes contain calendar dates stored in a special format known as the _____ date format. a. Epoch b. calendar c. Julian d. logical ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.75 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 24. In the relational model, _____ are important because they are used to ensure that each row in a table is uniquely identifiable. a. relations b. keys c. indexes d. logical structures ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.76 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 25. A _____ is any key that uniquely identifies each row. a. superkey b. special key c. foreign key d. candidate key ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.77 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 26. A _____ key can be described as a minimal superkey, a superkey without any unnecessary attributes. a. secondary b. candidate c. primary d. foreign Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.78 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 27. A _____ is the primary key of one table that has been placed into another table to create a common attribute. a. superkey b. composite primary key c. candidate key d. foreign key ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.79 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 28. A _____ key is defined as a key that is used strictly for data retrieval purposes. a. lookup b. foreign c. candidate d. secondary ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.79 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 29. Referential _____ dictates that the foreign key must contain values that match the primary key in the related table, or must contain null. a. integrity b. uniqueness c. model d. attribute ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.79 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model KEYWORDS:

Bloom's: Knowledge

30. The CUSTOMER table’s primary key is CUS_CODE. The CUSTOMER primary key column has no null entries, and all entries are unique. This is an example of _____ integrity. a. entity b. referential c. relational d. null ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.81 LEARNING OBJECTIVES: DATA.CORO.15.LO3-3 - LO3-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Comprehension 31. The _____ constraint can be placed on a column to ensure that every row in the table has a value for that column. a. UNIQUE b. NOT NULL c. VALUE d. EMPTY ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.81 LEARNING OBJECTIVES: DATA.CORO.15.LO3-3 - LO3-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 32. To be considered minimally relational, the DBMS must support the key relational operators _____, PROJECT, and JOIN. a. INTERSECT b. UNION c. DIFFERENCE d. SELECT ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.82 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 33. _____, also known as RESTRICT, yields values for all rows found in a table that satisfy a given condition. a. INTERSECT b. UNION c. DIFFERENCE d. SELECT ANSWER: d POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model DIFFICULTY: Difficulty: Easy REFERENCES: p.83 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 34. _____ returns only the attributes requested, in the order in which they are requested. a. PROJECT b. SELECT c. UNION d. DIFFERENCE ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.83 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 35. When two or more tables share the same number of columns, and when their corresponding columns share the same or compatible domains, they are said to be _____. a. intersect-compatible b. union-compatible c. difference-compatible d. select-compatible ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.84 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 36. A(n) _____ join links tables by selecting only the rows with common values in their common attribute(s). a. attribute b. unique c. foreign d. natural ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.87 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 37. _____ are especially useful when you are trying to determine what values in related tables cause referential integrity Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model problems. a. Inner joins b. Outer joins c. Equijoins d. Theta joins ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.89 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's Knowledge 38. A(n) _____ only returns matched records from the tables that are being joined. a. outer join b. inner join c. equijoin d. theta join ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.89 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 39. A _____ contains at least all of the attribute names and characteristics for each table in the system. a. data dictionary b. relational schema c. logical schema d. database ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.91 LEARNING OBJECTIVES: DATA.CORO.15.LO3-5 - LO3-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Data Dictionary and the System Catalog KEYWORDS: Bloom's: Knowledge 40. The _____ is actually a system-created database whose tables store the user/designer-created database characteristics and contents. a. database tuple b. systematic database c. unique index d. system catalog ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.91 Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model LEARNING OBJECTIVES: DATA.CORO.15.LO3-5 - LO3-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Dictionary and the System Catalog KEYWORDS: Bloom's: Knowledge 41. In a database context, the word _____ indicates the use of the same attribute name to label different attributes. a. redundancy b. homonym c. duplicate d. synonym ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.91 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Data Dictionary and the System Catalog KEYWORDS: Bloom's: Comprehension 42. In a database context, a(n) _____ indicates the use of different names to describe the same attribute. a. entity b. duplicate c. synonym d. homonym ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.93 LEARNING OBJECTIVES: DATA.CORO.15.LO3-5 - LO3-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Dictionary and the System Catalog KEYWORDS: Bloom's: Knowledge 43. The _____ relationship is the “relational model ideal.” a. 1:1 b. 1:M c. M:1 d. M:N ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.93 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Knowledge 44. The _____ relationship should be rare in any relational database design. a. 1:1 b. 1:M c. M:1 d. M:N Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.93 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Knowledge 45. _____ relationships can be implemented by creating a new entity in 1:M relationships with the original entities. a. 1:N b. M:1 c. M:N d. 1:1 ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.93 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Knowledge 46. Another name for a composite entity is a(n) _____ entity. a. bridge b. linked c. directive d. associative ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.98 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Knowledge 47. A(n) _____ is an orderly arrangement used to logically access rows in a table. a. primary rule b. superkey c. relationship d. index ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.103 LEARNING OBJECTIVES: DATA.CORO.15.LO3-8 - LO3-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Indexes KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model 48. When you define a table’s primary key, the DBMS automatically creates a(n) _____ index on the primary key column(s) you declared. a. key b. composite c. unique d. primary ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.104 LEARNING OBJECTIVES: DATA.CORO.15.LO3-8 - LO3-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes KEYWORDS: Bloom's: Knowledge 49. According to Codd’s _____ rule of relational database, "Application programs and ad hoc facilities are logically unaffected when changes are made to the table structures that preserve the original table values (changing order of columns or inserting columns)." a. nonsubversion b. logical data independence c. comprehensive data sublanguage d. integrity independence ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.105 LEARNING OBJECTIVES: DATA.CORO.15.LO3-9 - LO3-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Codd's Relational Database Rules KEYWORDS: Bloom's: Knowledge 50. A table is also called a(n) _____ because the relational model’s creator, E. F. Codd, used the two terms as synonyms.

ANSWER: relation POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.74 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: A Logical View of Data KEYWORDS: Bloom's: Knowledge 51. In a relational table, each column has a specific range of values known as the _____ domain.

ANSWER: attribute POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.74 LEARNING OBJECTIVES: DATA.CORO.15.LO3-1 - LO3-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model TOPICS: KEYWORDS:

A Logical View of Data Bloom's: Knowledge

52. In a relational model, _____ are also used to establish relationships among tables and to ensure the integrity of the data.

ANSWER: keys POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.76 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Knowledge 53. A primary key is a(n) _____ key chosen to be the primary means by which rows of a table are uniquely identified.

ANSWER: candidate POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.78 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Knowledge 54. To avoid nulls, some designers use special codes, known as _____, to indicate the absence of some value.

ANSWER: flags POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.81 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Integrity Rules KEYWORDS: Bloom's: Knowledge 55. The relational operators have the property of _____; that is, the use of relational algebra operators on existing relations (tables) produces new relations.

ANSWER: closure POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.83 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model 56. PRODUCT yields all possible pairs of rows from two tables, also known as the _____ product.

ANSWER: Cartesian POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.86 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Comprehension 57. _____ is the real power behind the relational database, allowing the use of independent tables linked by common attributes.

ANSWER: JOIN POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.87 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 58. A(n) _____ links tables on the basis of an equality condition that compares specified columns of each table.

ANSWER: equijoin POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.89 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Knowledge 59. A(n) ______ provides a detailed description of all tables found within the user/designer-created database.

ANSWER: data dictionary POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.91 LEARNING OBJECTIVES: DATA.CORO.15.LO3-5 - LO3-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Data Dictionary and the System Catalog KEYWORDS: Bloom's: Knowledge 60. The _____ catalog can be described as a detailed system data dictionary that describes all objects within the database, including data about table names, the table’s creator and creation date, the number of columns in each table, the data type corresponding to each column, index filenames, index creators, authorized users, and access privileges.

ANSWER: system Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.91 LEARNING OBJECTIVES: DATA.CORO.15.LO3-5 - LO3-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Dictionary and the System Catalog KEYWORDS: Bloom's: Knowledge 61. The _____ relationship is the relational database norm.

ANSWER: 1:M POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.93 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Knowledge 62. _____ relationships cannot be implemented as such in the relational model.

ANSWER: M:N POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.93 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Comprehension 63. If one department chair—a professor—can chair only one department, and one department can have only one department chair. The entities PROFESSOR and DEPARTMENT exhibit a(n) _____ relationship.

ANSWER: 1:1 POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.95 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Application 64. One characteristic of generalization hierarchies is that they are implemented as _____ relationships.

ANSWER: 1:1 POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.96 LEARNING OBJECTIVES: DATA.CORO.15.LO3-6 - LO3-6 Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relationships within the Relational Database KEYWORDS: Bloom's: Comprehension 65. The proper use of _____ keys is crucial to controlling data redundancy.

ANSWER: foreign POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.101 LEARNING OBJECTIVES: DATA.CORO.15.LO3-7 - LO3-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Redundancy Revisited KEYWORDS: Bloom's: Knowledge 66. Proper data _____ design requires carefully defined and controlled data redundancies to function properly.

ANSWER: warehousing POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.101 LEARNING OBJECTIVES: DATA.CORO.15.LO3-7 - LO3-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Redundancy Revisited KEYWORDS: Bloom's: Knowledge 67. A(n) _____ index is an index in which the index key can have only one pointer value (row) associated with it.

ANSWER: unique POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.104 LEARNING OBJECTIVES: DATA.CORO.15.LO3-8 - LO3-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Indexes KEYWORDS: Bloom's: Knowledge 68. An index key can have multiple _____ (a composite index).

ANSWER: attributes POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.104 LEARNING OBJECTIVES: DATA.CORO.15.LO3-8 - LO3-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Indexes KEYWORDS: Bloom's: Knowledge 69. Dr. Codd’s _____ rule of relational database states that every value in a table is guaranteed to be accessible through a Copyright Cengage Learning. Powered by Cognero.

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Chapter 03: The Relational Database Model combination of table name, primary key value, and column name.

ANSWER: Guaranteed Access POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.105 LEARNING OBJECTIVES: DATA.CORO.15.LO3-9 - LO3-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Codd's Relational Database Rules KEYWORDS: Bloom's: Knowledge 70. What is a key and how is it important in a relational model?

ANSWER: In a relational model, keys are important because they are used to ensure that each row in a table is uniquely identifiable. They are also used to establish relationships among tables and to ensure the integrity of the data. A key consists of one or more attributes that determine other attributes. For example, an invoice number identifies all of the invoice attributes, such as the invoice date and the customer name.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.76 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Comprehension 71. Define entity integrity. What are the two requirements to ensure entity integrity?

ANSWER: Entity integrity is the condition in which each row (entity instance) in the table has its own unique identity. To ensure entity integrity, the primary key has two requirements: (1) all of the values in the primary key must be unique.

(2) no key attribute in the primary key can contain a null.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.78 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Comprehension 72. Describe the use of null values in a database.

ANSWER: Null values are problematic in a relational model. A null is the absence of any data value, and it is never allowed in any part of the primary key. From a theoretical perspective, it can be argued that a table that contains a null is not properly a relational table at all. From a practical perspective, however, some nulls cannot be reasonably avoided. For example, not all students have a middle initial. As a general rule, nulls should be avoided as much as reasonably possible. In fact, an abundance of nulls is often a sign of a poor design. Also, nulls should be avoided in the database because their meaning is not always identifiable. For example, a null could represent: • An unknown attribute value.

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Chapter 03: The Relational Database Model • A known, but missing, attribute value.

• A “not applicable” condition.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.78 LEARNING OBJECTIVES: DATA.CORO.15.LO3-2 - LO3-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Keys KEYWORDS: Bloom's: Comprehension 73. Describe the use of the INTERSECT operator.

ANSWER: INTERSECT yields only the rows that appear in both tables. As with UNION, the tables must be union-compatible to yield valid results. For example, you cannot use INTERSECT if one of the attributes is numeric and one is character-based. For the rows to be considered the same in both tables and appear in the result of the INTERSECT, the entire rows must be exact duplicates.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.85 LEARNING OBJECTIVES: DATA.CORO.15.LO3-4 - LO3-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Algebra KEYWORDS: Bloom's: Comprehension 74. Define an index. Explain the role of indexes in a relational database.

ANSWER: An index is an orderly arrangement used to logically access rows in a table. From a conceptual point of view, an index is composed of an index key and a set of pointers. The index key is, in effect, the index’s reference point. More formally, an index is an ordered arrangement of keys and pointers. Each key points to the location of the data identified by the key. DBMSs use indexes for many different purposes. An index can be used to retrieve data more efficiently. Indexes can also be used by a DBMS to retrieve data ordered by a specific attribute or attributes. For example, creating an index on a customer’s last name will allow you to retrieve the customer data alphabetically by the customer’s last name.

Also, an index key can be composed of one or more attributes. Indexes play an important role in DBMSs for the implementation of primary keys. When you define a table’s primary key, the DBMS automatically creates a unique index on the primary key column(s) you declared.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.103-104 LEARNING OBJECTIVES: DATA.CORO.15.LO3-8 - LO3-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Indexes KEYWORDS: Bloom's: Comprehension

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Chapter 04: Entity Relationship (ER) Modeling 1. The entity relationship model (ERM) is dependent on the database type. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 2. The Crow’s Foot notation is less implementation-oriented than the Chen notation. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 3. An entity in the entity relationship model corresponds to a table in the relational environment. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 4. In the entity relationship model, a table row corresponds to an entity instance. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 5. In the Chen and Crow’s Foot notations, an entity is represented with a rectangle containing the entity’s name. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 6. In the original Chen notation, each attribute is represented by an oval with the attribute name connected to an entity rectangle with a line. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 7. Software vendors have adopted the Chen representation because of its compact representation. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 119 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 8. A composite identifier is a primary key composed of more than one attribute. a. True b. False ANSWER: True Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 120 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 9. The Crow's Foot notation easily identifies multivalued attributes. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 121 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 10. Composite attributes make it easier to facilitate detailed queries. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 121 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 11. Connectivities and cardinalities are established by concise statements known as business rules. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 126 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling 12. In Chen notation, there is no way to represent cardinality. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 126 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 13. In implementation terms, an entity is existence-dependent if it has a mandatory primary key. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 126 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 14. A weak relationship exists if the primary key of the related entity contains at least one primary key component of the parent entity. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 127 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 15. A weak entity has a primary key that is partially or totally derived from the parent entity in the relationship. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 129 Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 16. In a 1:M relationship, to avoid the possibility of referential integrity errors, the data of the "1" side must be loaded first. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 129 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 17. Relationships between entities always operate in one direction. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 131 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 18. The existence of a mandatory relationship indicates that the minimum cardinality is 0 or 1 for the mandatory entity. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 131 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 19. Unary relationships are common in manufacturing industries. a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 136 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 20. Referential integrity and participation are both bidirectional, meaning that they must be addressed in both directions along a relationship. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 137 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 21. To implement a small database, a database designer must know the "1" and the "M" sides of each relationship and whether the relationships are mandatory or optional. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 139 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 22. The process of database design is a sequential process. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 140 LEARNING OBJECTIVES: DATA.CORO.15.LO4-2 - LO4-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling TOPICS: KEYWORDS:

Developing an ER Diagram Bloom's: Knowledge

23. The entity relationship diagram (ERD) represents the _____ database as viewed by the end user. a. condensed b. physical c. logical d. conceptual ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 24. The _____ notation of entity-relationship modelling can be used for both conceptual and implementation modelling. a. Bachman b. UML c. Chen d. Crow's Foot ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 25. A(n) _____ is the set of possible values for a given attribute. a. domain b. range c. identifier d. key ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 119 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 26. Ideally, an entity identifier is composed of _____ attribute(s). a. three b. one c. two d. six ANSWER: b POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 120 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 27. A _____ attribute can be further subdivided to yield additional attributes. a. composite b. simple c. single-valued d. multivalued ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 120 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 28. A _____ attribute is one that cannot be subdivided. a. composite b. simple c. single-valued d. multivalued ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 121 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 29. The conceptual model can handle _____ relationships and multivalued attributes. a. 1:1 b. M:N c. 1:M d. 1:N ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 122 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 30. A derived attribute is indicated in the Chen notation by a _____ that connects the attribute and an entity.

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Chapter 04: Entity Relationship (ER) Modeling a. single line b. dashed line c. double dashed line d. double line ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 123 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 31. The decision to store _____ attributes in database tables depends on the processing requirements and the constraints placed on a particular application. a. multivalued b. derived c. single-valued d. composite ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 123-124 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 32. A relationship is an association between _____. a. objects b. entities c. databases d. fields ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 124 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 33. _____ expresses the minimum and maximum number of entity occurrences associated with one occurrence of the related entity. a. Connectivity b. Relationship c. Dependence d. Cardinality ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 125 Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 34. In the entity relationship diagram (ERD), cardinality is indicated using the _____ notation, where max is the maximum number of associated entities and min represents the minimum number of associated entities. a. (max, min) b. (min, max) c. [min ... max] d. {min|max} ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 125 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 35. When the specific cardinalities are not included on the diagram in Crow's Foot notation, cardinality is implied by the use of _____. a. symbols b. attributes c. images d. tables ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF:p. 125 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 36. Knowing the minimum and maximum number of _____ occurrences is very helpful at the application software level. a. object b. attribute c. data d. entity ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 125 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 37. An entity is said to be _____-dependent if it can exist in the database only when it is associated with another related entity occurrence.

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Chapter 04: Entity Relationship (ER) Modeling a. existence b. relationship c. business d. data ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 126 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 38. If an entity can exist apart from all of its related entities, then it is existence-independent, and it is referred to as a(n) _____ entity. a. weak b. alone c. unary d. strong ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 126 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 39. A _____ entity has a primary key that is partially or totally derived from the parent entity in the relationship. a. strong b. weak c. business d. child ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 129 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 40. The existence of a(n) _____ entity indicates that its minimum cardinality is zero. a. ternary b. optional c. strong d. weak ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 131 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 41. A _____ relationship exists when an association is maintained within a single entity. a. unary b. ternary c. strong d. weak ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 134 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 42. A _____ relationship exists when three entities are associated. a. unary b. strong c. ternary d. weak ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 134 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 43. If an employee within an EMPLOYEE entity has a relationship with itself, that relationship is known as a _____ relationship. a. self b. self-referring c. looping d. recursive ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 135 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 44. To simplify the conceptual design, most higher-order relationships are decomposed into appropriate equivalent _____ relationships whenever possible. a. unary b. binary c. strong d. weak Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 135 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 45. The entity relationship model uses the associative entity to represent a(n) _____ relationship between two or more entities. a. M:N b. 1:M c. N:1 d. M:1 ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 139 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 46. When using the Crow's Foot notation, the associative entity is indicated by _____ relationship lines between the parents and the associative entity. a. dotted b. double c. triple d. solid ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 139 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 47. The first step in building an entity-relationship diagram (ERD) is _____. a. developing the initial ERD b. creating a detailed narrative of the organization’s description of operations c. identifying the attributes and primary keys that adequately describe the entities d. identifying the business rules based on the description of operations ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 140 Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling LEARNING OBJECTIVES: DATA.CORO.15.LO4-2 - LO4-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Developing an ER Diagram KEYWORDS: Bloom's: Comprehension 48. The Crow’s foot symbol with two vertical parallel lines indicates _____ cardinality. a. (0,N) b. (1,N) c. (1,1) d. (0,1) ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 141 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Developing an ER Diagram KEYWORDS: Bloom's: Knowledge 49. If Tiny College has some departments that are classified as “research only” and do not offer courses, the COURSE entity of the college database would be _____ the DEPARTMENT entity. a. existence-dependent on b. independent of c. mandatory for d. optional to ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 142 LEARNING OBJECTIVES: DATA.CORO.15.LO4-2 - LO4-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Developing an ER Diagram KEYWORDS: Bloom's: Application 50. In organizations that generate large number of transactions, _____ are often a top priority in database design. a. relationships among entities b. logical design standards c. naming conventions d. high processing speeds ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 148 LEARNING OBJECTIVES: DATA.CORO.15.LO4-3 - LO4-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Developing an ER Diagram KEYWORDS: Bloom's: Knowledge 51. Complex _____ requirements may dictate data transformations, and they may expand the number of entities and attributes within the design. a. information b. entity Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling c. design d. processing ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 149 LEARNING OBJECTIVES: DATA.CORO.15.LO4-3 - LO4-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Developing an ER Diagram KEYWORDS: Bloom's: Knowledge 52. _____ are characteristics of entities.

ANSWER: Attributes POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 118 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 53. A(n) _____ attribute is an attribute that must have a value.

ANSWER: required POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 119 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 54. _____ are underlined in an ER diagram.

ANSWER: Identifiers POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 119 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 55. A person’s Social Security number would be an example of a(n) _____ attribute.

ANSWER: single-valued POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling REFERENCES: REF: p. 121 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 56. A(n) _____ attribute need not be physically stored within the database.

ANSWER: derived POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 123 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 57. A relationship _____ is difficult to establish if only one side of the relationship is known.

ANSWER: classification POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 124 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 58. When indicating cardinality, the first value represents the _____ number of associated entities.

ANSWER: minimum POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 125 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 59. The concept of relationship strength is based on how the _____ of a related entity is defined.

ANSWER: primary key POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 126 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling KEYWORDS:

Bloom's: Knowledge

60. A(n) _____ relationship is also known as an identifying relationship.

ANSWER: strong POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 128 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 61. The Crow’s Foot notation depicts the strong relationship with a(n) _____ line between the entities.

ANSWER: solid POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 128 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 62. A weak entity must be _____-dependent.

ANSWER: existence POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 129 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 63. The Chen notation identifies a weak entity by using a double-walled entity _____.

ANSWER: rectangle POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 130 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 64. Participation is _____ if one entity occurrence does not require a corresponding entity occurrence in a particular relationship.

ANSWER: optional Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 131 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 65. In Crow’s Foot notation, an optional relationship between entities is shown by drawing a(n) _____ on the side of the optional entity.

ANSWER: small circle (O) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 131 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 66. Failure to understand the distinction between mandatory and optional _____ in relationships might yield designs in which awkward (and unnecessary) temporary rows (entity instances) must be created just to accommodate the creation of required entities.

ANSWER: participation POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 133 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 67. A relationship _____ indicates the number of entities or participants associated with a relationship.

ANSWER: degree POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 134 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic - Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Knowledge 68. A(n) _____ process is based on repetition of processes and procedures.

ANSWER: iterative POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling REFERENCES: REF: p. 140 LEARNING OBJECTIVES: DATA.CORO.15.LO4-2 - LO4-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Developing an ER Diagram KEYWORDS: Bloom's: Knowledge 69. Identifying the attributes of entities helps in the better understanding of _____ among entities.

ANSWER: relationships POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 146 LEARNING OBJECTIVES: DATA.CORO.15.LO4-2 - LO4-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Developing and ER Diagram KEYWORDS: Bloom's: Knowledge 70. _____ not only helps database designers to stay on track during the design process, it also enables them to pick up the design thread when the time comes to modify the design.

ANSWER: Documentation POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: REF: p. 152 LEARNING OBJECTIVES: DATA.CORO.15.LO4-3 - LO4-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Developing an ER Diagram KEYWORDS: Bloom's: Knowledge 71. Explain multivalued attributes with the help of examples. How are multivalued attributes indicated in the Chen Entity Relationship model?

ANSWER: Multivalued attributes are attributes that can have many values. For instance, a person may have several college degrees, and a household may have several different phones, each with its own number. Similarly, a car's color may be subdivided into many colors for the roof, body, and trim. In the Chen Entity Relationship model, multivalued attributes are shown by a double line connecting the attribute to the entity.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 121 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 72. What is a weak relationship? Provide an example.

ANSWER: A weak relationship, also known as a non-identifying relationship, exists if the primary key of the related entity does not contain a primary key component of the parent entity. By default, relationships are established by having the primary key of the parent entity appear as Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling a foreign key (FK) on the related entity (also known as the child entity). For example, suppose the 1:M relationship between COURSE and CLASS is defined as: COURSE (CRS_CODE, DEPT_CODE, CRS_DESCRIPTION, CRS_CREDIT) CLASS (CLASS_CODE, CRS_CODE, CLASS_SECTION, CLASS_TIME, ROOM_CODE, PROF_NUM) In this case, a weak relationship exists between COURSE and CLASS because CRS_CODE (the primary key of the parent entity) is only a foreign key in the CLASS entity. In this example, the CLASS primary key did not inherit a primary key component from the COURSE entity.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 127 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 73. Explain mandatory participation in an entity relationship.

ANSWER: Mandatory participation means that one entity occurrence requires a corresponding entity occurrence in a particular relationship. If no optionality symbol is depicted with the entity, the entity is assumed to exist in a mandatory relationship with the related entity. If the mandatory participation is depicted graphically, it is typically shown as a small hash mark across the relationship line, similar to the Crow's Foot depiction of a connectivity of 1. The existence of a mandatory relationship indicates that the minimum cardinality is at least 1 for the mandatory entity.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p.131 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 74. What is a ternary relationship? Provide some business rules examples that specify the need for a ternary or higherorder relationship.

ANSWER: A ternary relationship implies an association among three different entities. Although most relationships are binary, the use of ternary and higher-order relationships does allow the designer some latitude regarding the semantics of a problem. Some business rules examples that specify the need for a ternary relationship are: • A DOCTOR writes one or more PRESCRIPTIONs. • A PATIENT may receive one or more PRESCRIPTIONs. • A DRUG may appear in one or more PRESCRIPTIONs. (Assume that the business rule states that each prescription contains only one drug. In short, if a doctor prescribes more than one drug, a separate prescription must be written for each drug.)

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 135 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 04: Entity Relationship (ER) Modeling NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension 75. Explain recursive relationships with the help of an example.

ANSWER: A recursive relationship is one in which a relationship can exist between occurrences of the same entity set. Such a condition is found within a unary relationship. For example, a 1:M unary relationship can be expressed by "an EMPLOYEE may manage many EMPLOYEEs, and each EMPLOYEE is managed by one EMPLOYEE." Finally, the M:N unary relationship may be expressed by "a COURSE may be a prerequisite to many other COURSEs, and each COURSE may have many other COURSEs as prerequisites."

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: REF: p. 136 LEARNING OBJECTIVES: DATA.CORO.15.LO4-1 - LO4-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Entity Relationship Model (ERM) KEYWORDS: Bloom's: Comprehension

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Chapter 05: Advanced Data Modeling 1. The entity supertype contains common characteristics, and the entity subtypes each contain their own unique characteristics. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 171 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 2. Entity supertypes and subtypes are organized in a specialization hierarchy. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 171 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 3. The relationships depicted within the specialization hierarchy are sometimes described in terms of “is-a” relationships. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 171 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 4. Within a specialization hierarchy, a supertype can exist only within the context of a subtype. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 171 Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 5. One important inheritance characteristic is that all entity subtypes inherit their primary key attribute from their supertype. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 172 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 6. A subtype contains attributes that are common to all of its supertypes. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 172 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 7. At the implementation level, the supertype and its subtype(s) depicted in the specialization hierarchy maintain a 1:1 relationship. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 173 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 8. Entity subtypes do not inherit the relationships in which the supertype entity participates. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 173 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 9. In specialization hierarchies with multiple levels of supertype and subtypes, a lower-level subtype can inherit only a few of the attributes and relationships from its upper-level supertypes. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 173 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Comprehension 10. The property of a subtype discriminator enables an entity supertype to inherit the attributes and relationships of the subtype. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 173 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 11. An entity supertype can have disjoint or overlapping entity subtypes. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 173 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 12. Disjoint subtypes are subtypes that contain nonunique subsets of the supertype entity set. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 174 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 13. Overlapping subtypes are subtypes that contain a unique subset of the supertype entity set. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 174 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 14. Implementing overlapping subtypes requires the use of one discriminator attribute for each subtype. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 15. Implementing nonoverlapping subtypes requires the use of one discriminator attribute for each subtype. a. True b. False ANSWER: False Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 16. The completeness constraint can be partial or total. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 17. Specialization is the top-down process of identifying lower-level, more specific entity subtypes from a higher-level entity supertype. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 18. Generalization is based on grouping unique characteristics and relationships of the subtypes. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling 19. An entity cluster is a "virtual" entity type used to represent multiple entities and relationships in the ERD. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-2 - LO5-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Clustering KEYWORDS: Bloom's: Knowledge 20. The function of the primary key is to describe an entity. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 178 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 21. To model time-variant data, one must create a new entity in an M:N relationship with the original entity. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 184 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Comprehension 22. A design trap occurs when a relationship is improperly or incompletely identified and is therefore represented in a way that is not consistent with the real world. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 186 Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 23. Some designs use redundant relationships as a way to simplify the design. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 187 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 24. The extended entity relationship model (EERM) is sometimes referred to as the _____. a. enclosed entity relationship model b. enhanced entity relationship model c. entity clustering relationship model d. extended entity relationship diagram ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 170 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 25. _____ is a generic entity type that is related to one or more entity subtypes. a. A subtype discriminator b. Inheritance c. A specialization hierarchy d. An entity supertype ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 171 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 26. The _____ depicts the arrangement of higher-level entity supertypes (parent entities) and lower-level entity subtypes (child entities). a. subtype discriminator b. inheritance c. specialization hierarchy d. entity supertype Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 171 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 27. Within a specialization hierarchy, every subtype can have _____ supertype(s) to which it is directly related. a. zero b. only one c. one or many d. many ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 171-172 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 28. A specialization hierarchy can have _____ level(s) of supertype/subtype relationships. a. zero b. only one c. one or many d. many ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 172 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 29. The property of _____ enables an entity subtype to inherit the attributes and relationships of the supertype. a. subtype discriminator b. inheritance c. specialization hierarchy d. entity supertype ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 172 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling 30. One important inheritance characteristic is that all entity subtypes inherit their _____ key attribute from their supertype. a. primary b. natural c. foreign d. surrogate ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 172 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 31. At the implementation level, the supertype and its subtype(s) depicted in a specialization hierarchy maintain a(n) _____ relationship. a. self-referencing b. 1:1 c. 1:M d. M:N ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 173 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 32. A(n) _____ is the attribute in the supertype entity that determines to which entity subtype each supertype occurrence is related. a. subtype discriminator b. inheritance discriminator c. specialization hierarchy d. entity supertype ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 173 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 33. The default comparison condition for the subtype discriminator attribute is the _____ comparison. a. nonequality b. less than c. greater than d. equality ANSWER: d POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling DIFFICULTY: Difficulty:Easy REFERENCES: p. 173 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 34. Which of the following is a specialization hierarchy disjoint constraint scenario in case of partial completeness? a. Subtype discriminator can be null. b. Subtype discriminator cannot be null. c. Each supertype occurrence is a member of only one subtype. d. Each supertype occurrence is a member of at least one subtype.

ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Comprehension 35. Which of the following is a specialization hierarchy overlapping constraint scenario in case of partial completeness? a. Subtype sets are unique. b. Supertype has optional subtypes. c. Subtype discriminators cannot be null. d. Subtype does not have a supertype.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Comprehension 36. Nonoverlapping subtypes are subtypes that contain a(n) _____ subset of the supertype entity set. a. entity b. subtypes c. unique d. nonunique ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 174 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling TOPICS: KEYWORDS:

The Extended Entity Relationship Model Bloom's: Knowledge

37. Overlapping subtypes are subtypes that contain _____ subsets of the supertype entity set. a. null b. exclusive c. solitary d. nonunique ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 174 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 38. A total completeness constraint is represented by _____. a. a smaller circle inside a bigger circle b. a rhombus inside a circle c. a double horizontal line under a circle d. a single horizontal line above a circle ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 39. A partial completeness constraint is represented by _____. a. a dotted line b. two dashed lines c. a single horizontal line under a circle d. a double horizontal line over a circle ANSWER: c POINTS: 1 DIFFICULTY: Difficulty:Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 40. In the context of total completeness, in a(n) _____, every supertype occurrence is a member of only one subtype. a. foreign key constraint b. nonunique constraint Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling c. overlapping constraint d. disjoint constraint ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 41. In the context of total completeness, in a(n) _____, every supertype occurrence is a member of at least one subtype. a. unique constraint b. disjoint constraint c. overlapping constraint d. foreign key constraint ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 42. _____ is the bottom-up process of identifying a higher-level, more generic entity supertype from lower-level entity subtypes. a. Specialization b. Generalization c. Normalization d. Total completeness ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 43. The purpose of a(n) _____ is to simplify an entity-relationship diagram (ERD) and thus enhance its readability. a. entity constraint b. entity cluster c. entity interface d. entity discriminator ANSWER: b Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-2 - LO5-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Clustering KEYWORDS: Bloom's: Knowledge 44. An entity cluster is formed by combining multiple interrelated entities into _____. a. a single abstract entity object b. multiple abstract entity objects c. a single entity object d. multiple entity objects ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-2 - LO5-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Clustering KEYWORDS: Bloom's: Knowledge 45. The most important characteristic of an entity is its _____ key, used to uniquely identify each entity instance. a. primary b. natural c. foreign d. surrogate ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 177 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 46. A _____ key is a real-world, generally accepted identifier used to uniquely identify real-world objects. a. primary b. natural c. foreign d. surrogate ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 178 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling 47. If one exists, a data modeler uses a _____ as the primary key of the entity being modeled. a. foreign key b. combination key c. surrogate key d. natural identifier ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 178 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 48. A _____ is a primary key created by a database designer to simplify the identification of entity instances. a. composite key b. compound key c. natural key d. surrogate key ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 180 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 49. A primary key's main function is to uniquely identify a(n) _____ within a table. a. attribute b. entity instance or row c. entity subtype d. natural key or identifier ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 178 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 50. Composite primary keys are particularly useful as identifiers of composite entities, where each primary key combination is allowed only once in the _____ relationship. a. 0:1 b. 1:1 c. 1:M d. M:N ANSWER: d POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling DIFFICULTY: Difficulty: Easy REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 51. The “_____” characteristic of a primary key states that the primary key must uniquely identify each entity instance, must be able to guarantee unique values, and must not contain nulls. a. unique values b. nonintelligent c. preferably single-attribute d. security-complaint ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 52. The “_____” characteristic of a primary key states that the selected primary key must not be composed of any attribute(s) that might be considered a violation. a. unique values b. nonintelligent c. preferably single-attribute d. security-compliant ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 53. According to the “preferably single-attribute” characteristic of a primary key, the primary key: a. must be able to guarantee unique attribute values. b. should have the minimum number of attributes possible. c. should have embedded semantic meaning associated with each attribute. d. must be composed of attributes that are free from security risks or violations.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling TOPICS: KEYWORDS:

Entity Integrity: Selecting Primary Keys Bloom's: Comprehension

54. The “_____” characteristic of a primary key states that the primary key should not have embedded semantic meaning. a. unique values b. nonintelligent c. preferably single-attribute d. security-compliant ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 55. Surrogate primary keys are especially helpful when there is no _____ key. a. primary b. natural c. foreign d. composite ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 181 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 56. _____ keys work with primary keys to properly implement relationships in the relational model. a. Foreign b. Composite c. Natural d. Surrogate ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 182 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 57. The preferred placement for a foreign key when working with a 1:1 relationship is to _____. a. use the same primary key for both entities b. create a bridge entity c. place the foreign key in one of the entities d. place the surrogate key in both entities Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 182 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Comprehension 58. When selecting a foreign key placement for a 1:1 relationship, place the PK of the entity on the mandatory side in the entity on the optional side as a FK, and make the FK mandatory when _____. a. one side is mandatory and the other side is optional b. one side participates in another relationship c. both sides are optional d. both sides are mandatory ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 183 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Comprehension 59. _____ data refer to data whose values change over time and for which one must keep a history of the data changes. a. Time-sensitive b. Time-variant c. Historical d. Change-based ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 183 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 60. A _____ occurs when there is one entity in two 1:M relationships to other entities, thus producing an association among the other entities that is not expressed in the model. a. surrogate primary key b. time-variant data c. design trap d. fan trap ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 186 Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 61. _____ relationships occur when there are multiple relationship paths between related entities. a. Redundant b. Duplicated c. Time-variant d. Supertype ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 187 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 62. The _____ is the result of adding more semantic constructs to the original entity relationship (ER) model.

ANSWER: extended entity relationship model (EERM) EERM (extended entity relationship model) extended entity relationship model EERM POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 170 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 63. Disjoint subtypes are also known as _____ subtypes.

ANSWER: non-overlapping nonoverlapping POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 174 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 64. Subtypes that contain nonunique subsets of the supertype entity set are known as _____ subtypes.

ANSWER: overlapping POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling REFERENCES: p. 174 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 65. The _____ specifies whether each entity supertype occurrence must also be a member of at least one subtype.

ANSWER: completeness constraint POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 66. _____ completeness means that not every supertype occurrence is a member of a subtype.

ANSWER: Partial POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 67. _____ completeness means that every supertype occurrence must be a member of at least one subtype.

ANSWER: Total POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 175 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Knowledge 68. Specialization is based on grouping _____ characteristics and relationships of the subtypes.

ANSWER: unique POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Extended Entity Relationship Model Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling KEYWORDS:

Bloom's: Knowledge

69. An entity cluster is considered “virtual” or “_____” in the sense that it is not actually an entity in the final ERD. ANSWER: abstract POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-2 - LO5-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Clustering KEYWORDS: Bloom's: Knowledge 70. Usually, a data modeler uses a natural identifier as the _____ of the entity being modeled, assuming that the entity has a natural identifier.

ANSWER: primary key POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 178 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 71. Unique values can be better managed when they are _____, because the database can use internal routines to implement a counter-style attribute that automatically increments values with the addition of each new row.

ANSWER: numeric POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 72. Composite primary keys are particularly useful as identifiers of composite entities, where each primary key combination is allowed _____ in the M:N relationship.

ANSWER: only once once POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling 73. Composite keys are useful as identifiers of weak entities, where the weak entity has a strong _____ relationship with the parent entity.

ANSWER: identifying POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 74. A weak-entity in a strong identifying relationship with a parent entity is normally used to represent a(n) _____ that is represented in the data model as two separate entities.

ANSWER: real-world object POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 180 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 75. One practical advantage of a(n) _____ key is that because it has no intrinsic meaning, values for it can be generated by the DBMS to ensure that unique values are always provided. surrogate ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 180 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 76. While using a surrogate key, one must ensure that the candidate key of the entity in question performs properly through the use of the “_____” and “not null” constraints.

ANSWER: unique index POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 181 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Knowledge 77. From a data modeling point of view, _____ data refer to data whose values change over time and for which one must keep a history of the data changes.

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Chapter 05: Advanced Data Modeling ANSWER: time-variant POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 183 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 78. A _____ occurs when a relationship is improperly or incompletely identified and is therefore represented in a way that is not consistent with the real world.

ANSWER: design trap POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 186 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Knowledge 79. The main concern with redundant relationships is that they remain _____ across the model.

ANSWER: consistent POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 187 LEARNING OBJECTIVES: DATA.CORO.15.LO5-4 - LO5-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Design Cases: Learning Flexible Database Design KEYWORDS: Bloom's: Comprehension 80. What do specialization hierarchies do?

ANSWER: Entity supertypes and subtypes are organized in a specialization hierarchy, which depicts the arrangement of higher-level entity supertypes (parent entities) and lower-level entity subtypes (child entities). Specialization hierarchies enable the data model to capture additional semantic content (meaning) into the ERD. A specialization hierarchy provides the means to: • Support attribute inheritance.

• Define a special supertype attribute known as the subtype discriminator.

• Define disjoint/overlapping constraints and complete/partial constraints.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 171-172 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Comprehension Copyright Cengage Learning. Powered by Cognero.

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Chapter 05: Advanced Data Modeling 81. Differentiate between specialization and generalization.

ANSWER: Specialization is the top-down process of identifying lower-level, more specific entity subtypes from a higher-level entity supertype. Specialization is based on grouping the unique characteristics and relationships of the subtypes. On the other hand, generalization is the bottom-up process of identifying a higher-level, more generic entity supertype from lowerlevel entity subtypes. Generalization is based on grouping the common characteristics and relationships of the subtypes.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 171 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Comprehension 82. Explain the two criteria that help a designer in determining when to use subtypes and supertypes.

Two criteria help a designer determine when to use subtypes and supertypes: ANSWER: 1. There must be different, identifiable kinds or types of an entity in the user’s environment.

2. The different kinds or types of instances should each have one or more attributes that are unique to that kind or type of instance.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 171 LEARNING OBJECTIVES: DATA.CORO.15.LO5-1 - LO5-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Extended Entity Relationship Model KEYWORDS: Bloom's: Comprehension 83. Describe an entity cluster.

ANSWER: An entity cluster is a “virtual” entity type used to represent multiple entities and relationships in the ERD. An entity cluster is formed by combining multiple interrelated entities into a single, abstract entity object. An entity cluster is considered “virtual” or “abstract” in the sense that it is not actually an entity in the final ERD. Instead, it is a temporary entity used to represent multiple entities and relationships, with the purpose of simplifying the ERD and thus enhancing its readability.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 176 LEARNING OBJECTIVES: DATA.CORO.15.LO5-2 - LO5-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Entity Clustering KEYWORDS: Bloom's: Comprehension 84. Explain the “no change over time” characteristic of a primary key.

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Chapter 05: Advanced Data Modeling ANSWER:

If an attribute has semantic meaning, it might be subject to updates, which is why names do not make good primary keys. If a primary key is subject to change, the foreign key values must be updated, thus adding to the database work load. Furthermore, changing a primary key value means that one is basically changing the identity of an entity. In short, the PK should be permanent and unchangeable.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's: Comprehension 85. In which two cases are composite primary keys particularly useful?

ANSWER: Composite primary keys are particularly useful in two cases: 1. As identifiers of composite entities, in which each primary key combination is allowed only once in the M:N relationship.

2. As identifiers of weak entities, in which the weak entity has a strong identifying relationship with the parent entity.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 179 LEARNING OBJECTIVES: DATA.CORO.15.LO5-3 - LO5-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Entity Integrity: Selecting Primary Keys KEYWORDS: Bloom's:Comprehension

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Chapter 06: Normalization of Database Tables 1. Normalization works through a series of stages called normal forms. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 2. Normalization is a process that is used for changing attributes to entities. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 3. In order to meet performance requirements, portions of the database design may need to be occasionally denormalized. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 4. Denormalization produces a lower normal form. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 5. Normalization is a very important database design ingredient, and the highest level is always the most desirable. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Comprehension 6. Reporting anomalies in a table can cause a multitude of problems for managers and can be fixed through application programming. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 205 LEARNING OBJECTIVES: DATA.CORO.15.LO6-2 - LO6-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Need For Normalization KEYWORDS: Bloom's: Knowledge 7. Data redundancy produces data anomalies. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 206 LEARNING OBJECTIVES: DATA.CORO.15.LO6-2 - LO6-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Need For Normalization KEYWORDS: Bloom's: Knowledge 8. The objective of normalization is to ensure that each table conforms to the concept of well-formed relations. a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 206 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 9. Relational models view data as part of a table or collection of tables in which all key values must be identified. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 208 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 10. Repeating groups must be eliminated by ensuring that each row defines a single entity. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 208 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 11. A dependency of one nonprime attribute on another nonprime attribute is a partial dependency. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 210 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables 12. Dependency diagrams are very helpful in getting a bird’s-eye view of all the relationships among a table’s attributes. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 210 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 13. Dependencies that are based on only a part of a composite primary key are called transitive dependencies. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 210 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 14. All relational tables satisfy the 1NF requirements. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 211 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 15. In the context of partial dependencies, data redundancies occur because every row entry requires duplication of data. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 211 Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 16. Since a partial dependency can exist only if a table's primary key is composed of several attributes, if a table in 1NF has a single-attribute primary key, then the table is automatically in 2NF. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 212 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Normalization Process KEYWORDS: Bloom's: Comprehension 17. It is possible for a table in 2NF to exhibit transitive dependency, where the primary key may rely on one or more nonprime attributes to functionally determine other nonprime attributes. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 212 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Normalization Process KEYWORDS: Bloom's: Comprehension 18. A determinant is any attribute whose value determines other values within a column. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 213 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables 19. Data stored at their highest level of granularity are said to be atomic data. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 216 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving the Design KEYWORDS: Bloom's: Knowledge 20. Atomic attributes are attributes that can be further subdivided. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 216 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving the Design KEYWORDS: Bloom's: Knowledge 21. A table is in BCNF if every determinant in the table is a foreign key. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 226 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Knowledge 22. A table is in fourth normal form if it is in third normal form and has no independent multivalued dependencies. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 226 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Knowledge 23. Normalization represents a micro view of the entities within the ERD. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 226 LEARNING OBJECTIVES: DATA.CORO.15.LO6-7 - LO6-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Normalization and Database Desgn KEYWORDS: Bloom's: Knowledge 24. The combination of normalization and ER modeling yields a useful ERD, whose entities can be translated into appropriate relationship structures. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 229 LEARNING OBJECTIVES: DATA.CORO.15.LO6-7 - LO6-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Normalization and Database Desgn KEYWORDS: Bloom's: Knowledge 25. A good relational DBMS excels at managing denormalized relations. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 229 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Knowledge 26. The advantage of higher processing speed must be carefully weighed against the disadvantage of data anomalies. a. True b. False ANSWER: True Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 229 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Knowledge 27. Normalization purity is often easy to sustain in the modern database environment. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 231 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Knowledge 28. Unnormalized database tables often lead to various data redundancy disasters in production databases. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 232 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Knowledge 29. Attributes should clearly define participation, connectivity, and document cardinality. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 233 LEARNING OBJECTIVES: DATA.CORO.15.LO6-9 - LO6-9 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data-Modeling Checklist KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables 30. Normalization works through a series of stages called normal forms. For most purposes in business database design, _____ stages are as high as you need to go in the normalization process. a. two b. three c. four d. five ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 31. From a structural point of view, 3NF is better than _____. a. 4NF b. 2NF c. 5NF d. 6NF ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 32. From a structural point of view, 2NF is better than _____. a. 1NF b. 3NF c. 4NF d. BCNF ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 33. An attribute that is part of a key is known as a(n) _____ attribute. a. important b. nonprime c. prime d. entity ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 34. A table that displays data redundancies yields _____. a. consistencies b. anomalies c. fewer attributes d. more entities ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 205 LEARNING OBJECTIVES: DATA.CORO.15.LO6-2 - LO6-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Need For Normalization KEYWORDS: Bloom's: Knowledge 35. Data redundancy produces _____. a. slower lookups b. robust design c. efficient storage use d. data integrity problems ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 206 LEARNING OBJECTIVES: DATA.CORO.15.LO6-2 - LO6-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Need For Normalization KEYWORDS: Bloom's: Knowledge 36. Attribute A _____ attribute B if all of the rows in the table that agree in value for attribute A also agree in value for attribute B. a. determines b. derives from c. controls d. owns ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 207 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Normalization Process KEYWORDS: Bloom's: Comprehension 37. Some very specialized applications may require normalization beyond the _____. a. 1NF b. 2NF Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables c. 3NF d. 4NF ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 207 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 38. Of the following normal forms, _____ is mostly of theoretical interest. a. 1NF b. 3NF c. BCNF d. DKNF ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 207 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 39. A table that has all key attributes defined, has no repeating groups, and all its attributes are dependent on the primary key is said to be in _____. a. 1NF b. 2NF c. 3NF d. 4NF ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 207 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 40. A(n) _____ exists when there are functional dependencies such that XY is functionally dependent on WZ, X is functionally dependent on W, and XY is the primary key. a. atomic attribute b. repeating group c. partial dependency d. transitive dependency ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 207 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 41. A(n) _____ exists when there are functional dependencies such that Y is functionally dependent on X, Z is functionally dependent on Y, and X is the primary key. a. partial dependency b. repeating group c. atomic attribute d. transitive dependency ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 208 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 42. A _____ derives its name from the fact that a collection of multiple entries of the same type can exist for any single key attribute occurrence. a. partial dependency b. transitive dependency c. repeating group d. primary key ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 208 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 43. A relational table must not contain a(n) _____. a. entity b. attribute c. relationship d. repeating group ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 208 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 44. In a(n) _____ diagram, the arrows above the attributes indicate all desirable dependencies. a. Chen b. dependency c. functionality d. ER Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 210 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 45. Dependencies based on only a part of a composite primary key are known as _____ dependencies. a. primary b. partial c. incomplete d. composite ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 211 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 46. If a table has multiple candidate keys and one of those candidate keys is a composite key, the table can have _____ based on this composite candidate key even when the primary key chosen is a single attribute. a. Boyce-Codd normal forms b. redundancies c. time-variances d. partial dependencies ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 215 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 47. A table that is in 2NF and contains no transitive dependencies is said to be in _____. a. 1NF b. 2NF c. 3NF d. 4NF ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 215 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables KEYWORDS:

Bloom's: Knowledge

48. Improving _____ leads to more flexible queries. a. atomicity b. normalization c. denormalization d. derived attribute ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 216 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving the Design KEYWORDS: Bloom's: Knowledge 49. An atomic attribute _____. a. cannot exist in a relational table b. cannot be further subdivided c. displays multiplicity d. is always chosen to be a foreign key ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 216 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving the Design KEYWORDS: Bloom's: Knowledge 50. The most likely data type for a surrogate key is _____. a. character b. date c. logical d. numeric ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 216 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving the Design KEYWORDS: Bloom's: Knowledge 51. Granularity refers to _____. a. the size of a table c. the number of attributes represented in a table ANSWER: b POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

b. the level of detail represented by the values in a table's row d. the number of rows in a table

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Chapter 06: Normalization of Database Tables DIFFICULTY: Difficulty: Easy REFERENCES: p. 216 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving the Design KEYWORDS: Bloom's: Knowledge 52. From a system functionality point of view, _____ attribute values can be calculated when they are needed to write reports or invoices. a. derived b. atomic c. granular d. historical ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 217 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving the Design KEYWORDS: Bloom's: Knowledge 53. In a real-world environment, we must strike a balance between design integrity and _____. a. robustness b. flexibility c. uniqueness d. ease of use ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 220 LEARNING OBJECTIVES: DATA.CORO.15.LO6-5 - LO6-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Surrogate Key Considerations KEYWORDS: Bloom's: Knowledge 54. For most business transactional databases, we should normalize relations into _____. a. 1NF b. 2NF c. 3NF d. 6NF ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 220 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Knowledge 55. To generate a surrogate key, Microsoft Access uses a(n) _____ data type.

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Chapter 06: Normalization of Database Tables a. character b. sequence c. AutoNumber d. identity ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 220 LEARNING OBJECTIVES: DATA.CORO.15.LO6-5 - LO6-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Surrogate Key Considerations KEYWORDS: Bloom's: Knowledge 56. A table where every determinant is a candidate key is said to be in _____. a. BCNF b. 2NF c. 1NF d. 4NF ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 221 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Knowledge 57. BCNF can be violated only if the table contains more than one _____ key. a. primary b. candidate c. foreign d. secondary ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 221 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Knowledge 58. When a table contains only one candidate key, _____ are considered to be equivalent. a. the 1NF and the 2NF b. the 3NF and the BCNF c. the 4NF and the 3NF d. the BCNF and the DKNF ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 221 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables TOPICS: KEYWORDS:

Higher-Level Normal Forms Bloom's: Knowledge

59. In a _____ situation, one key determines multiple values of two other attributes and those attributes are independent of each other. a. multivalued dependency b. transitive dependency c. partial dependency d. functional dependency ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 225 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Knowledge 60. A table where all attributes are dependent on the primary key but are independent of each other, and no row contains two or more multivalued facts about an entity is said to be in _____. a. 1NF b. 2NF c. 3NF d. 4NF ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 226 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Knowledge 61. A table is in 4NF if it is in 3NF, and _____. a. all attributes must be dependent on the primary key and must be dependent on each other b. all attributes are unrelated c. it has no multivalued dependencies d. no column contains the same values ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 226 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Knowledge 62. When designing a database, you should _____. a. make sure that entities are in normal form before table structures are created Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables b. create table structures then normalize the database c. only normalize the database when performance problems occur d. consider more important issues such as performance before normalizing ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 226 LEARNING OBJECTIVES: DATA.CORO.15.LO6-7 - LO6-7 NATIONAL STANDARDS: United States - BUSPROG:Analytic TOPICS: Normalization and Database Design KEYWORDS: Bloom's: Comprehension 63. An example of denormalization is using a _____ denormalized table to hold report data. This is required when creating a tabular report in which the columns represent data that are stored in the table as rows. a. transitive b. 3NF c. component d. temporary ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 231 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Knowledge 64. The conflicts between design efficiency, information requirements, and performance are often resolved through _____. a. compromises that include normalization b. conversion from 2NF to 3NF c. compromises that include denormalization d. conversion from 3NF to 4NF ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 231 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Comprehension 65. Data warehouse routinely uses _____ structures in its complex, multilevel, multisource data environment. a. 1NF b. 2NF c. 3NF d. 4NF ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables REFERENCES: p. 232 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Knowledge 66. _____ databases reflect the ever-growing demand for greater scope and depth in the data on which decision support systems increasingly rely. a. Normalized b. Data warehouse c. Temporary d. Report ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 232 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Knowledge 67. If database tables are treated as though they were files in a file system, the _____ never has a chance to demonstrate its superior data-handling capabilities.

ANSWER: RDBMS relational database management system relational database management system (RDBMS) RDBMS (relational database management system) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database and Normalization KEYWORDS: Bloom's: Knowledge 68. The price paid for increased performance through denormalization is a larger amount of _____.

ANSWER: redundancy data redundancy POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic KEYWORDS: Bloom's: Knowledge 69. In order to meet _____ requirements, you may have to denormalize some portions of a database design.

ANSWER: performance POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 70. _____ is a process to help reduce the likelihood of data anomalies.

ANSWER: Normalization POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 71. Any attribute that is at least part of a key is known as a _____.

ANSWER: prime attribute key attribute POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 72. When designing a new database structure based on the business requirements of the end users, the database designer will construct a data model using a technique such as _____.

Crow's Foot notation ERDs ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-2 - LO6-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Tables and Normalization KEYWORDS: Bloom's: Knowledge 73. The _____ is central to a discussion of normalization. concept of keys ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 206 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 74. A dependency based on only a part of a composite primary key is called a _____.

ANSWER: partial dependency POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 210 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 75. The problem with transitive dependencies is that they still yield data _____.

ANSWER: anomalies POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 210 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 76. All relational tables satisfy the _____ requirements.

ANSWER: 1NF first normal form first normal form (1NF) 1NF (first normal form) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 211 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 77. Because a partial dependency can exist only when a table's primary key is composed of several attributes, a table whose _____ key consists of only a single attribute is automatically in 2NF once it is in 1NF. ANSWER: primary POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 212 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables TOPICS: KEYWORDS:

The Normalization Process Bloom's: Knowledge

78. Any attribute whose value determines other values within a row is known as a _____.

ANSWER: determinant POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 213 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Normalization Process KEYWORDS: Bloom's: Knowledge 79. An attribute that cannot be further subdivided is said to display _____.

ANSWER: atomicity POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 216 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving The Design KEYWORDS: Bloom's: Knowledge 80. _____ refers to the level of detail represented by the values stored in a table's row.

ANSWER: Granularity POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 216 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving The Design KEYWORDS: Bloom's: Knowledge 81. In a real-world environment, changing granularity requirements might dictate changes in primary key selection, and those changes might ultimately require the use of _____ keys.

ANSWER: surrogate POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 217 LEARNING OBJECTIVES: DATA.CORO.15.LO6-4 - LO6-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Improving The Design KEYWORDS: Bloom's: Knowledge 82. It becomes difficult to create a suitable _____ key when the related table uses a composite primary key.

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Chapter 06: Normalization of Database Tables ANSWER: foreign POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 219 LEARNING OBJECTIVES: DATA.CORO.15.LO6-5 - LO6-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Surrogate Key Considerations KEYWORDS: Bloom's: Knowledge 83. When a nonkey attribute is the determinant of a key attribute, the table is in 3NF but not in _____.

ANSWER: BCNF Boyce-Codd normal form Boyce-Codd normal form (BCNF) BCNF (Boyce-Codd normal form) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 221 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Surrogate Key Considerations KEYWORDS: Bloom's: Knowledge 84. In the _____, no row may contain two or more multivalued facts about an entity.

ANSWER: 4NF fourth normal form fourth normal form (4NF) 4NF (fourth normal form) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 226 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Higher-Level Normal Forns KEYWORDS: Bloom's: Knowledge 85. An ERD is created through an _____ process. iterative ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 226 LEARNING OBJECTIVES: DATA.CORO.15.LO6-7 - LO6-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Normalization and Database Design KEYWORDS: Bloom's: Knowledge 86. The combination of _____ and ER modeling yields a useful ERD, whose entities may now be translated into Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables appropriate table structures.

ANSWER: normalization POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 229 LEARNING OBJECTIVES: DATA.CORO.15.LO6-7 - LO6-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Normalization and Database Design KEYWORDS: Bloom's: Knowledge 87. Unnormalized tables yield no simple strategies for creating virtual tables known as _____. views ANSWER: POINTS: 1 DIFFICULTY: Difficulty:Easy REFERENCES: p. 232 LEARNING OBJECTIVES: DATA.CORO.15.LO6-8 - LO6-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Denormalization KEYWORDS: Bloom's: Knowledge 88. According to the data-modeling checklist, _____ should be nouns that are familiar to business, should be short and meaningful, and should document abbreviations, synonyms, and aliases for each entity.

ANSWER: entity names POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 233 LEARNING OBJECTIVES: DATA.CORO.15.LO6-9 - LO6-9 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data-Modeling Checklist KEYWORDS: Bloom's: Knowledge 89. Explain normalization and its different forms.

ANSWER: Normalization is a process for evaluating and correcting table structures to minimize data redundancies, thereby reducing the likelihood of data anomalies. The normalization process involves assigning attributes to tables based on the concept of determination. Normalization works through a series of stages called normal forms. The first three stages are described as first normal form (1NF), second normal form (2NF), and third normal form (3NF). From a structural point of view, 2NF is better than 1NF, and 3NF is better than 2NF. For most purposes in business database design, 3NF is as high as you need to go in the normalization process. However, you will discover that properly designed 3NF structures also meet the requirements of fourth normal form (4NF).

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 202 LEARNING OBJECTIVES: DATA.CORO.15.LO6-1 - LO6-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables

TOPICS: KEYWORDS:

Management Science Database Tables and Normalization Bloom's: Knowledge

90. What characteristics do tables that conform to the concept of well-informed relations have?

ANSWER: Tables that conform to the concept of well-informed relations have the following characteristics: 1. Each table represents a single subject.

2. No data item will be unnecessarily stored in more than one table. This results in tables that have lower redundancies. The reason for this requirement is to ensure that the data is updates in only one place.

3. All nonprime attributes in a table are dependent on the primary key alone. The reason for this requirement is to ensure that the data is uniquely identifiable by a primary key value.

4. Each table is void of insertion, update, or deletion anomalies, which ensure the integrity and consistency of the data.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 206 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Normalization Process KEYWORDS: Bloom's: Comprehension 91. Describe a dependency diagram and explain its purpose.

ANSWER: Dependency diagrams are very helpful in getting a bird’s eye view of all the relationships among a table’s attributes, and their use makes it less likely that you will overlook an important dependency.

The following are features of a dependency diagram: 1. The primary key attributes are bold, underlined, and shaded in a different color.

2. The arrows above the attributes indicate all desirable dependencies—that is, dependencies based on the primary key.

3. The arrows below the dependency diagram indicate less desirable dependencies. Two types of such dependencies exist: a. Partial dependencies. A dependency based on only a part of a composite primary key is a partial dependency. b. Transitive dependencies. A transitive dependency is a dependency of one nonprime attribute on another nonprime attribute. The problem with transitive dependencies is that they still yield data anomalies.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 210 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science Copyright Cengage Learning. Powered by Cognero.

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Chapter 06: Normalization of Database Tables TOPICS: KEYWORDS:

The Normalization Process Bloom's: Comprehension

92. What steps are involved in the conversion to third normal form?

ANSWER: Step 1: Make New Tables to Eliminate Transitive Dependencies For every transitive dependency, write a copy of its determinant as a primary key for a new table. A determinant is any attribute whose value determines other values within a row. If you have three different transitive dependencies, you will have three different determinants.

As with the conversion to 2NF, it is important for the determinant remain in the original table to serve as a foreign key.

Step 2: Reassign Corresponding Dependent Attributes Identify the attributes that are dependent on each determinant identified in Step 1. Place the dependent attributes in the new tables with their determinants and remove them from their original tables.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 213 LEARNING OBJECTIVES: DATA.CORO.15.LO6-3 - LO6-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Normalization Process KEYWORDS: Bloom's: Comprehension 93. Explain the Boyce-Codd normal form (BCNF). How is it related to other normal forms?

ANSWER: A table is in Boyce-Codd normal form (BCNF) when every determinant in the table is a candidate key. A candidate key has the same characteristics as a primary key, but for some reason, it was not chosen to be the primary key. Clearly, when a table contains only one candidate key, the 3NF and the BCNF are equivalent. In other words, BCNF can be violated only when the table contains more than one candidate key. Most designers consider the BCNF to be a special case of the 3NF. In fact, if the techniques shown in this chapter are used, most tables conform to the BCNF requirements once the 3NF is reached.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 221 LEARNING OBJECTIVES: DATA.CORO.15.LO6-6 - LO6-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Higher-Level Normal Forms KEYWORDS: Bloom's: Comprehension

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Chapter 07: Introduction to Structured Query Language (SQL) True / False 1. A database language enables the user to perform complex queries designed to transform the raw data into useful information. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 247 LEARNING OBJECTIVES: DATA.CORO.15.LO7-1 - LO7-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Knowledge 2. SQL is considered difficult to learn; its command set has a vocabulary of more than 300 words. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 247 LEARNING OBJECTIVES: DATA.CORO.15.LO7-1 - LO7-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Knowledge 3. The ANSI prescribes a standard SQL–the current fully approved version is known as SQL-07. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 248 LEARNING OBJECTIVES: DATA.CORO.15.LO7-1 - LO7-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Knowledge 4. The ANSI SQL standards are also accepted by the ISO. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) REFERENCES: p. 248 LEARNING OBJECTIVES: DATA.CORO.15.LO7-1 - LO7-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Knowledge 5. Data type selection is usually dictated by the nature of the data and by the intended use. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 252 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Definition Commands KEYWORDS: Bloom's: Knowledge 6. Only numeric data types can be added and subtracted in SQL. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 252 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG:Analytic TOPICS: Data Definition Commands KEYWORDS: Bloom's: Knowledge 7. Entity integrity is enforced automatically when the primary key is specified in the CREATE TABLE command sequence. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 258 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Definition Commands KEYWORDS: Bloom's: Knowledge 8. The CHECK constraint is used to define a condition for the values that the attribute domain cannot have. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 260 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Definition Commands KEYWORDS: Bloom's: Knowledge 9. You cannot insert a row containing a null attribute value using SQL. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 264 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 10. SQL requires the use of the ADD command to enter data into a table. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 264 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 11. Any changes made to the contents of a table are not physically saved on disk until you use the SAVE <table name> command. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 265 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) TOPICS: KEYWORDS:

Data Manipulation Commands Bloom's: Knowledge

12. To list the contents of a table, you must use the DISPLAY command. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 266 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 13. The COMMIT command does not permanently save all changes. In order to do that, you must use SAVE. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 266 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 14. All SQL commands must be issued on a single line. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 267 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 15. Although SQL commands can be grouped together on a single line, complex command sequences are best shown on separate lines, with space between the SQL command and the command’s components. a. True b. False ANSWER: True POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) DIFFICULTY: Difficulty: Easy REFERENCES: p. 267 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 16. If you have not yet used the COMMIT command to store the changes permanently in the database, you can restore the database to its previous condition with the ROLLBACK command. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 269 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 17. You can select partial table contents by naming the desired fields and by placing restrictions on the rows to be included in the output. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 271 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 18. Oracle users can use the Access QBE (query by example) query generator. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 271 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) 19. Mathematical operators cannot be used to place restrictions on character-based attributes. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 273 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 20. String comparisons are made from left to right. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 274 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 21. Date procedures are often more software-specific than other SQL procedures. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 274 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 22. SQL allows the use of logical restrictions on its inquiries such as OR, AND, and NOT. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 277 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 23. ANSI-standard SQL allows the use of special operators in conjunction with the WHERE clause. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 279 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 24. The conditional LIKE must be used in conjunction with wildcard characters. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 280 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Comprehension 25. Most SQL implementations yield case-insensitive searches. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 281 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 26. Some RDBMSs, such as Microsoft Access, automatically make the necessary conversions to eliminate case sensitivity. a. True b. False ANSWER: True Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 281 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 27. The COUNT function is designed to tally the number of non-null "values" of an attribute, and is often used in conjunction with the DISTINCT clause. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 293 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Additional Select Query Keywords KEYWORDS: Bloom's: Comprehension 28. An alias cannot be used when a table is required to be joined to itself in a recursive query. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 303 LEARNING OBJECTIVES: DATA.CORO.15.LO7-7 - LO7-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Joining Database Tables KEYWORDS: Bloom's: Comprehension 29. When joining three or more tables, you need to specify a join condition for one pair of tables. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 303 LEARNING OBJECTIVES: DATA.CORO.15.LO7-7 - LO7-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Joining Database Tables KEYWORDS: Bloom's: Comprehension Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) Multiple Choice 30. The SQL data manipulation command HAVING: a. restricts the selection of rows based on a conditional expression. b. restricts the selection of grouped rows based on a condition. c. modifies an attribute’s values in one or more table’s rows. d. groups the selected rows based on one or more attributes.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 248 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Application 31. The SQL command that allows a user to permanently save data changes is _____. a. INSERT b. SELECT c. COMMIT d. UPDATE ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 248 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Knowledge 32. The _____ constraint assigns a value to an attribute when a new row is added to a table. a. CHECK b. UNIQUE c. NOT NULL d. DEFAULT ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 260 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Definition Commands KEYWORDS: Bloom's: Knowledge 33. The SQL command that allows a user to list the contents of a table is _____. a. INSERT b. SELECT c. COMMIT d. UPDATE Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 266 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 34. In Oracle, the _____ command is used to change the display for a column, for example, to place a $ in front of a numeric value. a. DISPLAY b. FORMAT c. CHAR d. CONVERT ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 267 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 35. UPDATE tablename ***** [WHERE conditionlist]; The _____ command replaces the ***** in the syntax of the UPDATE command, shown above. a. SET columnname = expression b. columnname = expression c. expression = columnname d. LET columnname = expression ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 268 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 36. An example of a command a user would use when making changes to a PRODUCT table is _____. a. CHANGE PRODUCT SET P_INDATE = '18-JAN-2004' WHERE P_CODE = '13-Q2/P2'; b. ROLLBACK PRODUCT SET P_INDATE = '18-JAN-2004' WHERE P_CODE = '13-Q2/P2'; c. EDIT PRODUCT Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) SET P_INDATE = '18-JAN-2004' WHERE P_CODE = '13-Q2/P2'; d. UPDATE PRODUCT SET P_INDATE = '18-JAN-2004' WHERE P_CODE = '13-Q2/P2'; ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 268 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 37. The _____ command is used to restore the database to its previous condition. a. COMMIT; RESTORE; b. COMMIT; BACKUP; c. COMMIT; ROLLBACK; d. ROLLBACK; ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 269 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 38. When a user issues the DELETE FROM tablename command without specifying a WHERE condition, _____. a. no rows will be deleted b. the first row will be deleted c. the last row will be deleted d. all rows will be deleted ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 270 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 39. The _____ command would be used to delete the table row where the P_CODE is 'BRT-345'. a. DELETE FROM PRODUCT WHERE P_CODE = 'BRT-345'; b. REMOVE FROM PRODUCT WHERE P_CODE = 'BRT-345'; c. ERASE FROM PRODUCT WHERE P_CODE = 'BRT-345'; Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) d. ROLLBACK FROM PRODUCT WHERE P_CODE = 'BRT-345'; ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 270 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Application 40. A(n) _____ is a query that is embedded (or nested) inside another query. a. alias b. operator c. subquery d. view ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 270 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 41. Which of the following queries will output the table contents when the value of V_CODE is equal to 21344? a. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE <> 21344; b. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE <= 21344; c. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE = 21344; d. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE => 21344; ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Challenging REFERENCES: p. 271 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Application 42. Which of the following is used to select partial table contents?

Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) a. SELECT <column(s)> FROM <Table name> BY <Conditions>; b. LIST <column(s)> FROM <Table name> BY <Conditions>; c. SELECT <column(s)> FROM <Table name> WHERE <Conditions>; d. LIST<column(s)> FROM <Table name> WHERE <Conditions>; ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 271 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Application 43. Which of the following queries will output the table contents when the value of V_CODE is not equal to 21344? a. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE <> 21344; b. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE <= 21344; c. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE = 21344; d. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE => 21344; ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Challenging REFERENCES: p. 271 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Application 44. Which of the following queries will output the table contents when the value of the character field P_CODE is alphabetically less than 1558-QW1? a. SELECT P_CODE, P_DESCRIPT, P_QOH, P_MIN, P_PRICE FROM PRODUCT Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) WHERE P_CODE <'1558-QW1'; b. SELECT P_CODE, P_DESCRIPT, P_QOH, P_MIN, P_PRICE FROM PRODUCT WHERE P_CODE = [1558-QW1]; c. SELECT P_CODE, P_DESCRIPT, P_QOH, P_MIN, P_PRICE FROM PRODUCT WHERE P_CODE = (1558-QW1); d. SELECT P_CODE, P_DESCRIPT, P_QOH, P_MIN, P_PRICE FROM PRODUCT WHERE P_CODE = {1558-QW1}; ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Challenging REFERENCES: p. 273 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Application 45. Which of the following queries will list all the rows in which the inventory stock dates occur on or after January 20, 2016? a. SELECT P_DESCRIPT, P_QOH, P_MIN, P_PRICE, P_INDATE FROM PRODUCT WHERE P_INDATE >= '20-JAN-2016'; b. SELECT P_DESCRIPT, P_QOH, P_MIN, P_PRICE, P_INDATE FROM PRODUCT WHERE P_INDATE >= $20-JAN-2016; c. SELECT P_DESCRIPT, P_QOH, P_MIN, P_PRICE, P_INDATE FROM PRODUCT WHERE P_INDATE <= '20-JAN-2016'; d. SELECT P_DESCRIPT, P_QOH, P_MIN, P_PRICE, P_INDATE FROM PRODUCT WHERE P_INDATE >= {20-JAN-2016}; ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Challenging REFERENCES: p. 274 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Application 46. Which of the following queries will use the given columns and column aliases from the PRODUCT table to determine the total value of inventory held on hand? a. SELECT P_DESCRIPT, P_QOH, P_PRICE, P_QOH/P_PRICE FROM PRODUCT; b. SELECT P_DESCRIPT, P_QOH, P_PRICE, P_QOH=P_PRICE Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) FROM PRODUCT; c. SELECT P_DESCRIPT, P_QOH, P_PRICE, P_QOH*P_PRICE FROM PRODUCT; d. SELECT P_DESCRIPT, P_QOH, P_PRICE, P_QOH-P_PRICE FROM PRODUCT; ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Challenging REFERENCES: p. 275 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Application 47. A(n) _____ is an alternate name given to a column or table in any SQL statement. a. alias b. data type c. stored function d. trigger ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 275 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 48. Which of the following queries uses the correct SQL syntax to list the table contents for either V_CODE = 21344 or V_CODE = 24288? a. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE = 21344 OR V_CODE <= 24288; b. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE = 21344 OR V_CODE => 24288; c. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE = 21344 OR V_CODE > 24288; d. SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE FROM PRODUCT WHERE V_CODE = 21344 OR V_CODE = 24288; ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Challenging Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) REFERENCES: p. 277 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Application 49. According to the rules of precedence, which of the following computations should be completed first? a. Performing additions and subtractions b. Performing multiplications and divisions c. Performing operations within parentheses d. Performing power operations ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 277 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Comprehension 50. The special operator used to check whether an attribute value is within a range of values is _____. a. BETWEEN b. NULL c. LIKE d. IN ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 279 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 51. The special operator used to check whether an attribute value matches a given string pattern is _____. a. BETWEEN b. IS NULL c. LIKE d. IN ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 279 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) 52. The special operator used to check whether a subquery returns any rows is _____. a. BETWEEN b. EXISTS c. LIKE d. IN ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 279 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 53. All changes in a table structure are made using the _____ command, followed by a keyword that produces the specific changes a user wants to make. a. ALTER TABLE b. UPDATE TABLE c. COMMIT TABLE d. ROLLBACK TABLE ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 283 LEARNING OBJECTIVES: DATA.CORO.15.LO7-5 - LO7-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Application 54. The SQL aggregate function that gives the number of rows containing non-null values for a given column is _____. a. COUNT b. MIN c. MAX d. SUM ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 293 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Additional Select Query Keywords KEYWORDS: Bloom's: Knowledge 55. The query to join the P_DESCRIPT and P_PRICE fields from the PRODUCT table and the V_NAME, V_AREACODE, V_PHONE, and V_CONTACT fields from the VENDOR table where the values of V_CODE match is _____. a. SELECT P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) FROM PRODUCT, VENDOR WHERE PRODUCT.V_CODE <> VENDOR.V_CODE; b. SELECT P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE FROM PRODUCT, VENDOR WHERE PRODUCT.V_CODE = VENDOR.V_CODE; c. SELECT P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE FROM PRODUCT, VENDOR WHERE PRODUCT.V_CODE <= VENDOR.V_CODE; d. SELECT P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE FROM PRODUCT, VENDOR WHERE PRODUCT.V_CODE => VENDOR.V_CODE; ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 301 LEARNING OBJECTIVES: DATA.CORO.15.LO7-7 - LO7-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Additional Select Query Keywords KEYWORDS: Bloom's: Application 56. The SQL query to output the contents of the EMPLOYEE table sorted by last name, first name, and initial is _____. a. SELECT EMP_LNAME, EMP_FNAME, EMP_INITIAL, EMP_AREACODE, EMP_PHONE FROM EMPLOYEE LIST BY EMP_LNAME, EMP_FNAME, EMP_INITIAL; b. SELECT EMP_LNAME, EMP_FNAME, EMP_INITIAL, EMP_AREACODE, EMP_PHONE FROM EMPLOYEE ORDER BY EMP_LNAME, EMP_FNAME, EMP_INITIAL; c. SELECT EMP_LNAME, EMP_FNAME, EMP_INITIAL, EMP_AREACODE, EMP_PHONE FROM EMPLOYEE DISPLAY BY EMP_LNAME, EMP_FNAME, EMP_INITIAL; d. SELECT EMP_LNAME, EMP_FNAME, EMP_INITIAL, EMP_AREACODE, EMP_PHONE FROM EMPLOYEE SEQUENCE BY EMP_LNAME, EMP_FNAME, EMP_INITIAL; ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 291 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Additional Select Query Keywords KEYWORDS: Bloom's: Application 57. Which of the following queries is used to list a unique value for V_CODE, where the list will produce only a list of those values that are different from one another? a. SELECT ONLY V_CODE Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) FROM PRODUCT; b. SELECT UNIQUE V_CODE FROM PRODUCT; c. SELECT DIFFERENT V_CODE FROM PRODUCT; d. SELECT DISTINCT V_CODE FROM PRODUCT; ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 292 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic KEYWORDS: Bloom's: Application 58. A table can be deleted from the database bu using the ___ command. a. DROP TABLE b. DELETE TABLE c. MODIFY TABLE d. ERASE TABLE ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 290 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Additional Data Definition Commands KEYWORDS: Bloom's: Application 59. The query to join the P_DESCRIPT and P_PRICE fields from the PRODUCT table and the V_NAME, V_AREACODE, V_PHONE and V_CONTACT fields from the VENDOR table, where the values of V_CODE match and the output is ordered by the price is _____. a. SELECT PRODUCT.P_DESCRIPT, PRODUCT.P_PRICE, VENDOR.V_NAME, VENDOR.V_CONTACT, VENDOR.V_AREACODE, VENDOR.V_PHONE FROM PRODUCT, VENDOR WHERE PRODUCT.V_CODE <> VENDOR.V_CODE; ORDER BY PRODUCT.P_PRICE; b. SELECT PRODUCT.P_DESCRIPT, PRODUCT.P_PRICE, VENDOR.V_NAME, VENDOR.V_CONTACT, VENDOR.V_AREACODE, VENDOR.V_PHONE FROM PRODUCT, VENDOR WHERE PRODUCT.V_CODE => VENDOR.V_CODE; ORDER BY PRODUCT.P_PRICE; c. SELECT PRODUCT.P_DESCRIPT, PRODUCT.P_PRICE, VENDOR.V_NAME, VENDOR.V_CONTACT, VENDOR.V_AREACODE, VENDOR.V_PHONE FROM PRODUCT, VENDOR WHERE PRODUCT.V_CODE <= VENDOR.V_CODE; ORDER BY PRODUCT.P_PRICE; d. SELECT PRODUCT.P_DESCRIPT, PRODUCT.P_PRICE, VENDOR.V_NAME, VENDOR.V_CONTACT, VENDOR.V_AREACODE, VENDOR.V_PHONE Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) FROM PRODUCT, VENDOR WHERE PRODUCT.V_CODE = VENDOR.V_CODE; ORDER BY PRODUCT.P_PRICE; ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 302 LEARNING OBJECTIVES: DATA.CORO.15.LO7-7 - LO7-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Additional Select Query Keywords KEYWORDS: Bloom's: Application Completion 60. The basic SQL vocabulary has fewer than _____words.

ANSWER: 100 one hundred a hundred POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 247 LEARNING OBJECTIVES: DATA.CORO.15.LO7-1 - LO7-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Knowledge 61. In the SQL environment, the word _____ covers both questions and actions.

ANSWER: query POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 248 LEARNING OBJECTIVES: DATA.CORO.15.LO7-1 - LO7-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Knowledge 62. A(n) _____ is a logical group of database objects, such as tables and indexes, that are related to each other.

ANSWER: schema POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 251 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) KEYWORDS:

Bloom's: Knowledge

63. With the exception of the database _____ process, most RDBMS vendors use SQL that deviates little from the ANSI standard SQL. ANSWER: creation creating POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 251 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 64. ________ is the process the DBMS uses to verify that only registered users access the database ANSWER: Authentication POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 251 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 65. U.S. state abbreviations are always two characters, so _____(2) is a logical choice for the data type representing a state column.

ANSWER: CHAR POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 252 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 66. The SQL data type DATE stores date in the _____ date format.

Julian ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 254 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) 67. To make SQL code more____ , most SQL programmers use one line per column (attribute) definition.

ANSWER: readable POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 255 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 68. In a 1:M relationship, a user must always create the table for the _____ side first.

ANSWER: 1 one POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 256 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 69. The _____ specification is used to avoid having duplicated values in a column.

UNIQUE ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 257 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 70. _____ words are words used by SQL to perform specific functions.

ANSWER: Reserved POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 258 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 71. A common practice is to create a(n) _____ on any field that is used as a search key, in comparison operations in a conditional expression, or when a user wants to list rows in a specific order.

ANSWER: index POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) DIFFICULTY: Difficulty: Easy REFERENCES: p. 263 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 72. To delete an index, one must use the _____ command.

ANSWER: DROP INDEX POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 264 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data definition Commands KEYWORDS: Bloom's: Knowledge 73. In an INSERT command, a user can indicate just the attributes that have required values by listing the _____ inside parentheses after the table name.

ANSWER: attribute names names POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 265 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 74. A(n) _____ character is a symbol that can be used as a general substitute for other characters or commands.

ANSWER: wildcard wild card POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 266 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 75. A(n) _____, also known as a nested query or an inner query, is a query that is embedded (or nested) inside another query.

ANSWER: subquery POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) REFERENCES: p. 270 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Knowledge 76. The _____ command, coupled with appropriate search conditions, is an incredibly powerful tool that enables a user to transform data into information.

ANSWER: SELECT POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 271 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 77. DATE() and SYSDATE are special functions that return today’s date in MS Access and _____, respectively.

ANSWER: Oracle POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 276 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 78. In SQL, all _____ expressions evaluate to true or false.

ANSWER: conditional POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 278 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Knowledge 79. A specialty field in mathematics, known as _____ algebra, is dedicated to the use of logical operators.

ANSWER: Boolean POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 278 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) 80. If a user adds a new column to a table that already has rows, the existing rows will default to a value of _____ for the new column.

ANSWER: null POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 285 LEARNING OBJECTIVES: DATA.CORO.15.LO7-5 - LO7-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Additional Data Definition Commands KEYWORDS: Bloom's: Knowledge 81. A table can be deleted from the database by using the _____ command.

ANSWER: DROP TABLE POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 290 LEARNING OBJECTIVES: DATA.CORO.15.LO7-5 - LO7-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Additional Data Definition Commands KEYWORDS: Bloom's: Application 82. A(n) _____ order sequence is a multilevel ordered sequence that can be created easily by listing several attributes, separated by commas, after the ORDER BY clause.

ANSWER: cascading POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 291 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Additional Select Query Keywords KEYWORDS: Bloom's: Knowledge 83. Rows can be grouped into smaller collections quickly and easily using the _____ clause within the SELECT statement.

ANSWER: GROUP BY POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 291 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Additional Select Query Keywords KEYWORDS: Bloom's: Knowledge 84. The _____ clause of the GROUP BY statement operates very much like the WHERE clause in the SELECT statement.

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Chapter 07: Introduction to Structured Query Language (SQL) ANSWER: HAVING POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 298 LEARNING OBJECTIVES: DATA.CORO.15.LO7-6 - LO7-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Additional Select Query Keywords KEYWORDS: Bloom's: Knowledge 85. A(n) _____ is performed when data are retrieved from more than one table at a time.

ANSWER: join POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 300-301 LEARNING OBJECTIVES: DATA.CORO.15.LO7-7 - LO7-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Joining Database Tables KEYWORDS: Bloom's: Knowledge 86. The _____ condition is generally composed of an equality comparison between the foreign key and the primary key of related tables. join ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 301 LEARNING OBJECTIVES: DATA.CORO.15.LO7-7 - LO7-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Joining Database Tables KEYWORDS: Bloom's: Knowledge 87. An alias is especially useful when a table must be joined to itself in a(n) _____ query.

ANSWER: recursive POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 303 LEARNING OBJECTIVES: DATA.CORO.15.LO7-7 - LO7-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Joining Database Tables KEYWORDS: Bloom's: Knowledge Essay 88. Explain the two SQL functions.

ANSWER: 1. SQL is a data definition language (DDL). It includes commands to create database objects such as tables, indexes, and views, as well as commands to define access rights to those Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) databases objects.

2. SQL is a data manipulation language (DML). It includes commands to insert, update, delete, and retrieve data within the database tables.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 247 LEARNING OBJECTIVES: DATA.CORO.15.LO7-1 - LO7-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction to SQL KEYWORDS: Bloom's: Knowledge 89. What is a schema? How many schemas can be used in one database?

ANSWER: In the SQL environment, a schema is a logical group of database objects—such as tables and indexes—that are related to each other. Usually, the schema belongs to a single user or application. A single database can hold multiple schemas that belong to different users or applications. Schemas are useful in that they group tables by owner (or function) and enforce a first level of security by allowing each user to see only the tables that belong to that user.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 251 LEARNING OBJECTIVES: DATA.CORO.15.LO7-2 - LO7-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Definition Commands KEYWORDS: Bloom's: Comprehension 90. Which command is used to save changes to the database? What is the syntax for this command?

ANSWER: Any changes made to the table contents are not saved on disk until a user closes the database, closes the program he or she is using, or uses the COMMIT command. If the database is open and a power outage or some other interruption occurs before the user issues the COMMIT command, the user's changes will be lost and only the original table contents will be retained.

The syntax for the COMMIT command is: COMMIT [WORK] The COMMIT command permanently saves all changes—such as rows added, attributes modified, and rows deleted— made to any table in the database.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 265-266 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Comprehension 91. What is a subquery? When is it used? Does the RDBMS deal with subqueries any differently from normal queries?

ANSWER: A subquery, also known as a nested query or an inner query, is a query that is embedded (or nested) inside another query. The inner query is always executed first by the RDBMS. Copyright Cengage Learning. Powered by Cognero.

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Chapter 07: Introduction to Structured Query Language (SQL) In the SQL statement, INSERT INTO tablename SELECT columnlist FROM tableneme;, the INSERT portion represents the outer query, and the SELECT portion represents the subquery. A user can nest queries (place queries inside queries) many levels deep; in every case, the output of the inner query is used as the input for the outer (higher-level) query.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 270-271 LEARNING OBJECTIVES: DATA.CORO.15.LO7-3 - LO7-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Manipulation Commands KEYWORDS: Bloom's: Comprehension 92. What are the wildcard characters that are used with the LIKE command? Provide one or more examples of each.

ANSWER: The LIKE special operator is used in conjunction with wildcards to find patterns within string attributes. Standard SQL allows a user to use the percentage sign (%) and underscore (_) wildcard characters to make matches when the entire string is not known: % means any and all following or preceding characters are eligible. For example: 'J%' includes Johnson, Jones, Jernigan, July, and J-231Q. 'Jo%' includes Johnson and Jones. '%n' includes Johnson and Jernigan. _ means any one character may be substituted for the underscore. For example: '_23-456-6789' includes 123-456-6789, 223-456-6789, and 323-456-6789. '_23-_56-678_' includes 123-156-6781, 123-256-6782, and 823-956-6788. '_o_es' includes Jones, Cones, Cokes, totes, and roles.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 280 LEARNING OBJECTIVES: DATA.CORO.15.LO7-4 - LO7-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Select Queries KEYWORDS: Bloom's: Comprehension 93. How can a table be deleted from the database? Provide an example.

ANSWER: A table can be deleted from the database using the DROP TABLE command. For example, a user can delete the PART table with the following command: DROP TABLE PART; The user can drop a table only if it is not the “one” side of any relationship. If the user tries to drop a table otherwise, the RDBMS will generate an error message indicating that a foreign key integrity violation has occurred.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 290 LEARNING OBJECTIVES: DATA.CORO.15.LO7-5 - LO7-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Additional Data Definition Commands KEYWORDS: Bloom's: Comprehension

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Chapter 08: Advanced SQL True / False 1. A relational join operation merges rows from two tables. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 341 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Join Operators KEYWORDS: Bloom's: Knowledge 2. An inequality condition is also known as a natural join and an equality condition is also called a theta join. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 341 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Join Operators KEYWORDS: Bloom's: Knowledge 3. Subqueries cannot be used in combinations with joins a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 352 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Operators KEYWORDS: Bloom's: Knowledge 4. The SELECT statement uses the attribute list to indicate what columns to project in the result set a. True b. False ANSWER: POINTS: DIFFICULTY:

True 1 Difficulty: Easy

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Chapter 08: Advanced SQL REFERENCES: p. 356 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: SQL Join Operators KEYWORDS: Bloom's: Knowledge 5. Numeric functions take one numeric parameter and return one value. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 366 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 6. String manipulation functions are rarely used in programming a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 366 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 7. UNION, INTERSECT, and MINUS work properly only if relations are intersect-compatible, which means that the names of the relation attributes and their data types must be different. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 371 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational set Operators KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL 8. A view is a virtual table based on a SELECT query. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 377 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Virtual Tables: Creating a View KEYWORDS: Bloom's: Knowledge 9. A sequence is not associated with a table and can be dropped from a database with a DROP SEQUENCE command. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 386-387 LEARNING OBJECTIVES: DATA.CORO.15.LO8-6 - LO8-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Sequences KEYWORDS: Bloom's: Knowledge 10. SQL supports the conditional execution of procedures (IF-THEN-ELSE statements) that are typically supported by a programming language. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 387 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 11. To remedy the lack of procedural functionality in SQL, and to provide some standardization within the many vendor offerings, the SQL-99 standard defined the use of persistent stored modules. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL REFERENCES: p. 388 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 12. A persistent stored module is stored and executed on the database client machine. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 388 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 13. Every PL/SQL block must be given a name. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 390 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Comprehension 14. In Oracle, you can use the SQL*Plus command SHOW ERRORS to help you diagnose errors found in PL/SQL blocks. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 390 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Comprehension 15. PL/SQL blocks have a section used to declare variables. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 391 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 16. The most useful feature of PL/SQL blocks is that they let a designer create code that can be named, stored, and executed by the DBMS. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 391 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 17. Automating business procedures and automatically maintaining data integrity and consistency are trivial in a modern business environment. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 392 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 18. A trigger is procedural SQL code that is automatically invoked by the RDBMS upon the occurrence of a given data manipulation event. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 393 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 19. Triggers can only be used to update table values. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 393 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 20. A statement-level trigger is assumed if a designer omits the FOR EACH ROW keywords. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 394 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 21. A row-level trigger is assumed if we omit the FOR EACH ROW keywords and a statement-level trigger required the use of the FOR EACH ROW keyword. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 394 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 22. MySQL allows multiple triggering conditions per trigger. a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 394 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 23. BEFORE means before the changes are made in memory but after the changes are permanently saved to disk. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 398 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 24. Just like database triggers, stored procedures are stored in the database. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 401 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 25. One of the major advantages of stored procedures is that they can be used to encapsulate and represent business transactions. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 401 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL TOPICS: KEYWORDS:

Procedural SQL Bloom's: Knowledge

26. Stored procedures must have at least one argument. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 402 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 27. Variables can be declared inside a stored procedure a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 402 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Procedural SQL KEYWORDS: Bloom's: Comprehension 28. Cursors are held in a reserved memory area in the client computer. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 407 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 29. An implicit cursor is automatically created in procedural SQL when the SQL statement returns only one value a. True b. False ANSWER: True POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL DIFFICULTY: Difficulty: Easy REFERENCES: p. 407 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 30. An explicit cursor must return two or more rows. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 407 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 31. A stored function is another name for a stored procedure. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 409 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 32. "Linked SQL" is a term used to refer to SQL statements that are contained within an application programming language such as COBOL, C++, ASP, Java, or ColdFusion. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 410 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Embedded SQL KEYWORDS: Bloom's: Knowledge Multiple Choice Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL 33. The following SQL statement uses a(n) SELECT P_CODE, P_DESCRIPT, P_PRICE_V_ NAME FROM PRODUCT, VENDOR _ WHERE PRODUCT,V_CODE=VENDOR. V CODE a. set operator b. natural join c. "old-style" join d. procedural statement ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 341 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Operators KEYWORDS: Bloom's: Comprehension 34. When using a(n) _____ join, only rows that meet the given criteria are returned. a. full b. inner c. outer d. set ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 341 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Join Operators KEYWORDS: Bloom's: Knowledge 35. The statement SELECT * FROM T1, T2 produces a(n) _____ join. a. cross b. natural c. equid. full ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 342 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic KEYWORDS: Bloom's: Knowledge 36. How many rows would be returned from a cross join of tables A and B, if A contains 8 rows and B contains 18? a. 8 b. 18 c. 26 d. 144 ANSWER: d POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL DIFFICULTY: Difficulty: Moderate REFERENCES: p. 342 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Join Operators KEYWORDS: Bloom's: Application 37. A(n) _____ join will select only the rows with matching values in the common attribute(s). a. natural b. cross c. full d. outer ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 343 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Operators KEYWORDS: Bloom's: Knowledge 38. If a designer wishes to create an inner join, but the two tables do not have a commonly named attribute, he can use a(n) _____ clause. a. OF b. USING c. HAS d. JOIN ON ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 345 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Operators KEYWORDS: Bloom's: Application 39. A(n) _____ join returns not only the rows matching the join condition (that is, rows with matching values in the common columns) but also the rows with unmatched values. a. outer b. inner c. equid. cross ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 347 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Operators KEYWORDS: Bloom's: Application Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL 40. The syntax for a left outer join is _____. a. SELECT column-list FROM table1 OUTER JOIN table2 LEFT WHERE join-condition c. SELECT column-list WHERE LEFT table1 = table 2

b. SELECT column-list FROM table1 LEFT [OUTER] JOIN table2 ON join-condition d. SELECT column-list FROM table1 LEFT table2 [JOIN] WHERE join-condition

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.347 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Join Operators KEYWORDS: Bloom's: Application 41. In subquery terminology, the first query in the SQL statement is known as the _____ query. a. outer b. left c. inner d. base ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 350 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Knowledge 42. In the context of SELECT subquery types, a _____ is returned when an UPDATE subquery is used. a. NULL b. single value c. list of values d. virtual table ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 351 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Knowledge 43. Which of the following is a feature of a correlated subquery? a. The inner subquery executes first. b. The outer subquery initiates the process of execution in a subquery. c. The inner subquery initiates the process of d. The outer subquery executes independent of the execution in a subquery. inner subquery.

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Chapter 08: Advanced SQL ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 359 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Comprehension 44. The _____ function returns the current system date in MS Access. a. TO_DATE() b. SYSDATE() c. DATE() d. TODAY() ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 362 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 45. When using the Oracle TO_DATE function, the code _____ represents a three-letter month name. a. MON b. MM3 c. MONTH d. MM ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 363 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 46. In Oracle, the _____ function converts a date to a character string. a. CONVERT() b. TO_DATE c. TO_CHAR() d. TO_STRING() ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 363 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL 47. _____ is a string function that returns the number of characters in a string value. a. LENGTH b. SUBSTRING c. CONCAT d. UCASE ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 368 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 48. When using the Oracle TO_NUMBER function to convert a character string into a number, _____ represents a digit. a. 0 b. 9 c. $ d. # ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 369 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 49. The Oracle _____ function compares an attribute or expression with a series of values and returns an associated value or a default value if no match is found. a. NVL b. TO_CHAR c. DECODE d. CONVERT ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 370 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 50. _____ is a relational set operator. a. MINUS b. PLUS c. ALL d. EXISTS ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 371 Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 51. “Union-compatible” means that the _____. a. names of the relation attributes can be different, but the data types must be alike b. names of the relation attributes must be the same, but the data types can be different c. names of the relation attributes must be the same and their data types must be alike d. number of attributes must be the same, but the names and data types can be different ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 371 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Comprehension 52. The _____ data type is considered compatible with VARCHAR(35). a. DATE b. INT c. TINYINT d. CHAR(15) ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 371 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 53. The _____ statement combines rows from two queries and excludes duplicates. a. UNION b. UNION ALL c. INTERSECT d. MINUS ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 372 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Relational Set Operators KEYWORDS: Bloom's: Application 54. Assume a designer is using the UNION operator to combine the results from two tables with identical structure, Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL CUSTOMER and CUSTOMER_2. The CUSTOMER table contains 10 rows, while the CUSTOMER_2 table contains 7 rows. Customers Jenna and Howard are included in the CUSTOMER table as well as in the CUSTOMER_2 table. How many records are returned when using the UNION operator? a. 7 b. 10 c. 15 d. 17 ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 372 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Application 55. Assume you are using the UNION ALL operator to combine the results from two tables with identical structure, CUSTOMER and CUSTOMER_2. The CUSTOMER table contains 10 rows, while the CUSTOMER_2 table contains 7 rows. Customers Dunne and Olowski are included in the CUSTOMER table as well as in the CUSTOMER_2 table. How many records are returned when using the UNION ALL operator? a. 7 b. 10 c. 15 d. 17 ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 373 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Application 56. Assume you are using the INTERSECT operator to combine the results from two tables with identical structure, CUSTOMER and CUSTOMER_2. The CUSTOMER table contains 10 rows, while the CUSTOMER_2 table contains 7 rows. Customers Dunne and Olowski are included in the CUSTOMER table as well as in the CUSTOMER_2 table. How many records are returned when using the INTERSECT operator? a. 0 b. 2 c. 7 d. 10 ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 374 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Application 57. The _____ statement in SQL combines rows from two queries and returns only the rows that appear in the first set but not in the second.

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Chapter 08: Advanced SQL a. UNION b. UNION ALL c. INTERSECT d. MINUS ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 375 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Application 58. Assume you are using the MINUS operator to combine the results from two tables with identical structure, CUSTOMER and CUSTOMER_2. The CUSTOMER table contains 10 rows, while the CUSTOMER_2 table contains 7 rows. Customers Dunne and Olowski are included in the CUSTOMER table as well as in the CUSTOMER_2 table. How many records are returned when using the MINUS operator? a. 0 b. 2 c. 8 d. 10 ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 375-376 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Application 59. The _____ operator could be used in place of INTERSECT if the DBMS does not support it. a. IN b. OF c. AND d. UNION ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 377 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 60. The _____ operator could be used in place of MINUS if the DBMS does not support it. a. IN b. NOT IN c. AND d. UNION ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 377 Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 61. The Oracle equivalent to an MS Access AutoNumber is a(n) _____. a. auto-number b. sequence c. TO_NUMBER function d. trigger ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 382 LEARNING OBJECTIVES: DATA.CORO.15.LO8-6 - LO8-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Sequences KEYWORDS: Bloom's: Knowledge 62. Which of the following is a feature of oracle sequences? a. Oracle sequences are tied to columns and tables. c. An oracle sequence uses the identity column property to automatically number rows.

ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 383 LEARNING OBJECTIVES: DATA.CORO.15.LO8-6 - LO8-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Sequences KEYWORDS: Bloom's: Knowledge

b. Oracle sequences generate a character string that can be assigned to tables. d. An oracle sequence can be created and deleted anytime.

63. The _____ pseudo-column is used to select the next value from a sequence. a. CURRVAL b. NEXTVAL c. NEXT d. GET_NEXT ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 384 LEARNING OBJECTIVES: DATA.CORO.15.LO8-6 - LO8-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Sequences KEYWORDS: Bloom's: Application 64. In Oracle, _____ make(s) it possible to merge SQL and traditional programming constructs, such as variables, conditional processing (IF-THEN-ELSE), basic loops (FOR and WHILE loops,) and error trapping.

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Chapter 08: Advanced SQL a. cursor-style processing b. stored procedures c. embedded SQL d. Procedural Language SQL ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 388 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 65. The Oracle string concatenation function is _____. a. CONCAT b. + c. || d. && ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 391 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 66. The PL/SQL block starts with the _____ section. a. IS b. OPEN c. DECLARE d. BEGIN ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 391 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 67. Oracle recommends _____ for creating audit logs. a. triggers b. stored procedures c. stored functions d. tables ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 393 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL TOPICS: KEYWORDS:

Procedural SQL Bloom's: Knowledge

68. _____ is a cursor attribute that returns TRUE if the last FETCH returned a row, and FALSE if not. a. %ROWCOUNT b. %NOTFOUND c. %FOUND d. %ISOPEN ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 408 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge Completion 69. The _____ determines the common attribute or attributes by looking for identically named attributes and compatible data types. natural join ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 343 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Join Operators KEYWORDS: Bloom's: Knowledge 70. An alternate syntax for a join is: SELECT column-list FROM table1 JOIN table2 _____ (common-column).

ANSWER: USING POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 344 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Join Operators KEYWORDS: Bloom's: Knowledge 71. When using a subquery, the output of a(n) _____ query is used as the input for the outer query.

ANSWER: inner POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 350 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL TOPICS: KEYWORDS:

Subqueries and correlated Queries Bloom's: Knowledge

72. The _____ clause is used to restrict the output of a GROUP BY query by applying a conditional criteria to the grouped rows.

ANSWER: HAVING POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 353 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Knowledge 73. The IN subquery uses a(n) _____ operator.

ANSWER: equality POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 354 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Knowledge 74. The use of the _____ operator allows you to compare a single value with a list of values returned by the first subquery (sqA) using a comparison operator other than EQUALS. ANSWER: ALL POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 355 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Knowledge 75. The ___ statement uses the attribute list to indicate what columns to project in the resulting set.

ANSWER: SELECT POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 356 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL 76. A(n) _____ subquery is a subquery that executes once for each row in the outer query.

ANSWER: correlated POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 358 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Knowledge 77. Oracle uses the _____ function to extract the various parts of a date.

ANSWER: TO_CHAR POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 363 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 78. _____ functions extract a value of a given data type and convert it to the equivalent value in another data type.

ANSWER: Conversion POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 368 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 79. The syntax of the DECODE function starts with _____.

ANSWER: DECODE(e, x, y, d) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 370 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Functions KEYWORDS: Bloom's: Knowledge 80. The _____ statement combines the output of two SELECT queries.

ANSWER: UNION POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 372 Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 81. A(n) _____ query can be used to produce a relation that retains the duplicate rows.

ANSWER: UNION ALL POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 373 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 82. The _____ statement can be used to combine rows from two queries, returning only the rows that appear in both sets.

ANSWER: INTERSECT POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 373 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 83. The syntax of the MINUS statement in Oracle is _____.

ANSWER: query MINUS query POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 375 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 84. If the DBMS does not support the INTERSECT statement, one can use a(n) _____ subquery to achieve the same result.

ANSWER: IN POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 377 LEARNING OBJECTIVES: DATA.CORO.15.LO8-4 - LO8-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL 85. A(n) _____ routine pools multiple transactions into a single batch to update a master table field in a single operation.

ANSWER: batch update POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 379 LEARNING OBJECTIVES: DATA.CORO.15.LO8-5 - LO8-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 86. A(n) _____ view is a view that can be used to update attributes in the base table(s) that are used in the view.

ANSWER: updatable POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 380 LEARNING OBJECTIVES: DATA.CORO.15.LO8-5 - LO8-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Relational Set Operators KEYWORDS: Bloom's: Knowledge 87. In MS Access, a designer can use the _____ data type to define a column in his table that will be automatically populated with unique numeric values.

ANSWER: AutoNumber POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 382 LEARNING OBJECTIVES: DATA.CORO.15.LO8-6 - LO8-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Sequences KEYWORDS: Bloom's: Knowledge 88. In an Oracle sequence, the _____ pseudo-column retrieves the current value of a sequence.

ANSWER: CURRVAL POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 384 LEARNING OBJECTIVES: DATA.CORO.15.LO8-6 - LO8-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Sequences KEYWORDS: Bloom's: Knowledge 89. Using Oracle _____, a designer can write a PL/SQL code block by enclosing the commands inside BEGIN and END clauses.

ANSWER: SQL*Plus Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 389 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 90. A row-level trigger requires use of the _____ keywords and is executed once for each row affected by the triggering statement.

ANSWER: FOR EACH ROW POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 394 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Knowledge 91. _____ is the term used to describe an environment in which the SQL statement is not known in advance and is generated at run time.

Dynamic SQL ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 414 LEARNING OBJECTIVES: DATA.CORO.15.LO8-8 - LO8-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Embedded SQL KEYWORDS: Bloom's: Knowledge Essay 92. Explain the different basic types of join operations. What are they and how do they work?

ANSWER: Join operations can be classified as inner joins and outer joins. The inner join is the traditional join in which only rows that meet a given criterion are selected. The join criterion can be an equality condition (also called a natural join or an equijoin) or an inequality condition (also called a theta join.) An outer join returns not only the matching rows but the rows with unmatched attribute values for one table or both tables to be joined. The SQL standard also introduces a special type of join, called a cross join, that returns the same result as the Cartesian product of two sets or tables.

POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 341 LEARNING OBJECTIVES: DATA.CORO.15.LO8-1 - LO8-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Join Operators Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL KEYWORDS:

Bloom's: Knowledge

93. What are the four different types of results that can be returned from a subquery?

ANSWER: A subquery can return one or more values.

One single value (one column and one row): This subquery is used anywhere a single value is expected, as in the right side of a comparison expression. An example is the preceding UPDATE subquery, in which an average price is assigned to the product’s price. When a value is assigned to an attribute, a single value is assigned and not a list of them. Therefore, the subquery must return only one value (one column, one row). If the query returns multiple values, the DBMS generates an error.

A list of values (one column and multiple rows): This type of subquery is used anywhere a list of values is expected, such as when using the IN clause—for example, when comparing the vendor code to a list of vendors. Again, in this case, there is only one column of data with multiple value instances. This type of subquery is used frequently in combination with the IN operator in a WHERE conditional expression.

A virtual table (multicolumn, multirow set of values): This type of subquery can be used anywhere a table is expected, such as when using the FROM clause.

The fourth result that a subquery can return is no value at all. It is called NULL. POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 351 LEARNING OBJECTIVES: DATA.CORO.15.LO8-2 - LO8-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Subqueries and Correlated Queries KEYWORDS: Bloom's: Knowledge 94. Describe the important features and applications of SQL functions ANSWER: SQL functions are very useful tools. Functions always use a numerical, date, or string value.

The value may be part of the command itself (a constant or literal) or it may be an attribute located in a table. Therefore, a function may appear anywhere in a SQL statement where a value or an attribute can be used. There are many types of SQL functions, such as arithmetic, trigonometric, string, date, and time functions.

These functions are useful when all employees need to be ordered by year of birth, or when a marketing department wants to generate a list of all customers ordered by zip code and the first three digits of their telephone numbers. In both of these cases, data elements that are not present as such in the database will be required; instead, an SQL function that can be derived from an existing attribute is required.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 361 LEARNING OBJECTIVES: DATA.CORO.15.LO8-3 - LO8-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 08: Advanced SQL TOPICS: KEYWORDS:

SQL Functions Bloom's: Comprehension

95. Describe the characteristics of an Oracle sequence.

ANSWER: - Oracle sequences are an independent object in the database, where sequences are not a data type.

- Oracle sequences have a name and can be used anywhere a value is expected.

- Oracle sequences are not tied to a table or a column.

- Oracle sequences generate a numeric value that can be assigned to any column in any table.

- The table attribute, to which a value based on a sequence is assigned, can be edited and modified.

- An Oracle sequence can be created and deleted anytime.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 383 LEARNING OBJECTIVES: DATA.CORO.15.LO8-6 - LO8-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Sequences KEYWORDS: Bloom's: Comprehension 96. How are triggers critical to proper database operation and management?

ANSWER: - Triggers can be used to enforce constraints that cannot be enforced at the DBMS design and implementation levels.

- Triggers add functionality by automating critical actions and providing appropriate warnings and suggestions for remedial action. In fact, one of the most common uses for triggers is to facilitate the enforcement of referential integrity.

- Triggers can be used to update table values, insert records in tables, and call other stored procedures.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 393 LEARNING OBJECTIVES: DATA.CORO.15.LO8-7 - LO8-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Procedural SQL KEYWORDS: Bloom's: Comprehension 97. Summarize the hierarchy of steps involved in creating and running an executable program with embedded SQL statements.

ANSWER: While the steps required to create and execute a program consisting of embedded SQL statements vary from one programming language to another, the following steps are considered as a general standard. a) The programmer writes embedded SQL code within the host language instructions. The code follows the standard syntax required for host language and embedded SQL. b) A preprocessor is used to transform the embedded SQL into specialized procedure calls that are DBMS-specific and language-specific. The preprocessor is provided by the DBMS vendor and is specific to the host language.

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Chapter 08: Advanced SQL c) The program is compiled using the host language compiler. The compiler creates an object code module for the program containing the DBMS procedure calls. d) The object code is linked to the respective library modules and generates the executable program. This process binds the DBMS procedure calls to the DBMS run-time libraries.

Additionally, the binding process typically creates an “access plan” module that contains instructions to run the embedded code at run time. e) The executable is run, and the embedded SQL statement retrieves data from the database.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 411 LEARNING OBJECTIVES: DATA.CORO.15.LO8-8 - LO8-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Embedded SQL KEYWORDS: Bloom's: Comprehension

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Chapter 09: Database Design 1. Systems analysis establishes the need for an information system and its extent. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 440 LEARNING OBJECTIVES: DATA.CORO.15.LO9-1 - LO9-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Information System KEYWORDS: Bloom's: Knowledge 2. The term “database development” is used to describe the process of database design and implementation. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 441 LEARNING OBJECTIVES: DATA.CORO.15.LO9-1 - LO9-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Information System KEYWORDS: Bloom's: Knowledge 3. The primary objective in database design is to create complete, normalized, nonredundant, and fully integrated conceptual, logical, and physical database models. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 441 LEARNING OBJECTIVES: DATA.CORO.15.LO9-1 - LO9-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Information System KEYWORDS: Bloom's: Knowledge 4. The implementation phase of database design includes creating the database storage structure and loading the database, but does not provide for data management. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 441 Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design LEARNING OBJECTIVES: DATA.CORO.15.LO9-1 - LO9-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Information System KEYWORDS: Bloom's: Knowledge 5. The Systems Development Life Cycle (SDLC) traces the history of an information system. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 6. The Systems Development Life Cycle (SDLC) provides the big picture within which the database design and application development can be mapped out and evaluated. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 7. The Systems Development Life Cycle (SDLC) is a sequential process rather than an iterative process. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 8. The Systems Development Life Cycle's (SDLC's) planning phase yields a general overview of the company and its objectives. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 9. The result of analysis phase of the Systems Development Life Cycle (SDLC) should be a better understanding of the system's functional areas, actual and potential problems, and opportunities. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 443 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 10. In the Systems Development Life Cycle (SDLC), problems defined during the planning phase are examined in greater detail during the analysis phase. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 11. The analysis phase of the Systems Development Life Cycle (SDLC) involves a cycle of coding, testing, and debugging. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 12. In the Systems Development Life Cycle(SDLC), the design of the system's processes begins in the detailed systems design phase. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Comprehension 13. In the detailed systems design phase of the Systems Development Life Cycle (SDLC), steps are laid out for the conversion of a database from an old system to a new system. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 14. Training principles and methodologies are planned during the implementation phase of the Systems Development Life Cycle (SDLC). a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15. DATA.CORO.15.LO9- - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 15. The detailed systems design phase of the Systems Development Life Cycle (SDLC) includes all the necessary technical specifications for the screens, menus, reports, and other devices used to make the system more efficient.

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Chapter 09: Database Design a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 16. During the implementation phase of the Systems Development Life Cycle (SDLC), the hardware, database management system (DBMS) software, and application programs are installed, and the database design is implemented. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 17. The database contents might be loaded interactively or in batch mode using a variety of methods and devices including customized user programs. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 18. The system is subjected to exhaustive testing during the testing phase of the Systems Development Life Cycle (SDLC). a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 445 Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 19. In the Systems Development Life Cycle (SDLC), after testing is concluded, end-user training is not necessary. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 445 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Comprehension 20. A system is always at some stage of SDLC because every request for structural changes requires retracing the steps of the Systems Development Life Cycle (SDLC). a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 445 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Comprehension 21. A system maintenance activity generated in response to changes in the business environment is referred to as corrective maintenance. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 445 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 22. The overall purpose of the database initial study is to create the conceptual design. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 446 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 23. To analyze the company situation, the database designer must discover what the company's operational components are, how they function, and how they interact. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 446 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 24. After the initial declarations in Database Life Cycle (DBLC), the database designer must carefully probe in order to generate additional information that will help define the problem within the larger framework of company operations. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 448 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 25. In most modern relational DBMSs, a new database implementation requires the creation of special storage-related constructs to house the end-user tables. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 26. The assignment of access rights may restrict operations on predetermined objects such as databases, tables, views, queries, and reports. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 27. Data integrity is enforced by the database management system (DBMS) through the proper use of primary and foreign key rules. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 28. The testing and evaluation phase of the Database Life Cycle (DBLC) occurs after applications programming. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 29. Database performance is one of the least important factors in all database implementations. a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 30. Evaluation of database performance is rendered easier by the fact there are no standards to measure it. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Comprehension 31. The main purpose of a backup is to guarantee database restoration following a hardware or software failure. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 455 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 32. The database administrator must be prepared to perform routine maintenance activities within the database. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 457 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design 33. Physical design becomes simpler when data is distributed at different locations. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 473 LEARNING OBJECTIVES: DATA.CORO.15.LO9-7 - LO9-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Physical Design KEYWORDS: Bloom's: Knowledge 34. Decentralized design is typical of relatively simple, small databases and can be successfully done by a single person. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 474 LEARNING OBJECTIVES: DATA.CORO.15.LO9-9 - LO9-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Centralized Versus Decentralized Design KEYWORDS: Bloom's: Comprehension 35. The process of creating an information system is known as _____. a. systems development b. database development c. network development d. enterprise development ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 440 LEARNING OBJECTIVES: DATA.CORO.15.LO9-1 - LO9-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Information System KEYWORDS: Bloom's: Knowledge 36. The traditional Systems Development Life Cycle (SDLC) is divided into _____ phases. a. two b. three c. four d. five ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 37. Discovery of user requirements, existing system evaluation, and logical system design are part of the _____ phase of the Systems Development Life Cycle (SDLC). a. planning b. analysis c. detailed systems design d. implementation ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 38. Coding, testing, and debugging are part of the _____ phase of the Systems Development Life Cycle (SDLC). a. planning b. analysis c. detailed systems design d. implementation ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 39. “Should the existing system be replaced?” is a question that is asked during the _____ stage of the Systems Development Life Cycle (SDLC). a. planning b. analysis c. implementation d. maintenance ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 443 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 40. “What are the requirements of the current system’s end users?” is a question asked during the _____ phase of the Systems Development Life Cycle (SDLC).

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Chapter 09: Database Design a. planning b. analysis c. implementation d. maintenance ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 443 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 41. The feasibility study during the planning phase of the Systems Development Life Cycle (SDLC) must address the: a. requirements of the current system’s end users. b. problems and constraints related to the company situation. c. questions about modification and replacement of existing system. d. technical aspects of hardware and software requirements.

ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 443 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Comprehension 42. The logical systems design is created during the _____ phase of the Systems Development Life Cycle (SDLC). a. planning b. analysis c. implementation d. maintenance ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 43. The database contents are loaded during the _____ phase of the Systems Development Life Cycle (SDLC). a. analysis b. detailed systems design c. implementation d. maintenance ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design REFERENCES: p. 444 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 44. In DBLC, the phase after the database initial study is _____. a. operation b. database design c. database initial study d. implementation and loading ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 445 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 45. The implementation of _____ applications tends to prolong the operational life of systems by making them easier to update and maintain. a. database-produced b. network-produced c. CASE-produced d. design-produced ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 445 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 46. The maintenance and evolution phase of the Database Life Cycle (DBLC) involves _____. a. defining objectives b. introducing changes c. testing the database d. installing the DBMS ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 446 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Comprehension 47. Selecting database management system (DBMS) software is part of the _____ phase of the Database Life Cycle (DBLC).

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Chapter 09: Database Design a. database initial study b. database design c. implementation and loading d. testing and evaluation ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 446 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Comprehension 48. Producing the required information flow is part of the _____ phase of the Database Life Cycle (DBLC). a. database initial study b. database design c. operation d. testing and evaluation ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 446 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Comprehension 49. _____ is a technique that creates logical representations of computing resources that are independent of the underlying physical computing resources. a. Normalization b. Virtualization c. Specialization d. Generalization ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 451 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 50. The implementation and loading phase of the Database Life Cycle (DBLC) involves _____. a. defining objectives b. introducing changes c. testing the database d. installing the DBMS ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design REFERENCES: p. 451 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Comprehension 51. In the context of the database design process, the conceptual design step that defines the fragmentation and allocation strategy is _____. a. database analysis and requirements b. ER modeling and normalization c. data model verification d. distributed database design ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 452 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 52. In the context of the database design process, the conceptual design step that determines end-user views, outputs, and transaction-processing requirements is _____. a. data analysis and requirements b. entity relationship modeling and normalization c. data model verification d. distributed database design ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 452 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 53. _____ can render data useless to unauthorized users who might have violated some of the database security layers. a. Data encryption b. Access rights c. Physical security d. Password security ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 54. Once the data has been loaded into the database, the _____ tests and fine-tunes the database for performance, integrity, concurrent access, and security constraints. a. programmer b. manager c. database administrator d. systems administrator ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 55. In a(n) _____, only the objects that have been updated or modified since the last full backup are backed up. a. transaction log backup b. conservative backup c. differential backup d. adaptive backup ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 455 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 56. Which of the following is a hardware-induced database failure? a. Memory chip errors b. Viruses c. Malware d. Abortion due to deadlock ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 456 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design TOPICS: KEYWORDS:

The Database Life Cycle Bloom's: Comprehension

57. The last step in the Database Life Cycle (DBLC) is _____. a. maintenance and evolution b. operation c. testing and evaluation d. implementation and loading ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 457 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 58. The first step in developing the conceptual model using ER diagrams is to _____. a. normalize the entities b. complete the initial ER diagram c. identify, analyze, and refine the business rules d. define the attributes, primary keys, and foreign keys for each of the entities ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 461 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Comprehension 59. The first step in the ER model verification process is to _____. a. identify each module and its components b. identify the ER model's central entity c. verify all processes against the ER model d. identify each module's internal transaction requirements ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 465 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Comprehension 60. _____ is the process of determining the data storage organization and data access characteristics of the database to ensure its integrity, security, and performance.

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Chapter 09: Database Design a. Conceptual design b. Network design c. Logical design d. Physical design ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 471 LEARNING OBJECTIVES: DATA.CORO.15.LO9-7 - LO9-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Physical Design KEYWORDS: Bloom's: Knowledge 61. During decentralized design, after the _____ has been completed, all modules are integrated into one conceptual model. a. declaration process b. verification process c. conceptual process d. logical process ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 476 LEARNING OBJECTIVES: DATA.CORO.15.LO9-9 - LO9-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Centralized Versus Decentralized Design KEYWORDS: Bloom's: Knowledge 62. A(n) _____ is a carefully designed and constructed repository of facts that is a part of a larger whole known as an information system.

ANSWER: database POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 440 LEARNING OBJECTIVES: DATA.CORO.15.LO9-1 - LO9-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Information System KEYWORDS: Bloom's: Knowledge 63. _____ is the process that establishes the need for, and the extent of, an information system.

ANSWER: Systems analysis POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 440 LEARNING OBJECTIVES: DATA.CORO.15.LO9-1 - LO9-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Information System KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design 64. The traditional Systems Development Life Cycle (SDLC) phases are _____, analysis, detailed systems design, implementation, and maintenance.

ANSWER: planning POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 65. An initial assessment of the information flow-and-extent requirements must be made during the _____ portion of the Systems Development Life Cycle (SDLC).

ANSWER: planning POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 442 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 66. After testing is concluded, the final _____ is reviewed and printed and end users are trained.

ANSWER: documentation POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 445 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 67. The advent of very sophisticated application generators and _____ has substantially decreased coding and testing time.

ANSWER: debugging tools POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 445 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Knowledge 68. The system’s _____ defines the extent of the design according to operational requirements.

ANSWER: scope Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 446 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 69. The proposed system is subject to limits known as _____, which are external to the system.

ANSWER: boundaries POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 450 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 70. Making sure that the final product meets user and system requirements is the most critical _____ phase.

ANSWER: Database Life Cycle (DBLC) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 450 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 71. _____ are usually provided by the database management system (DBMS) to check for access violations.

ANSWER: Audit trails POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 72. Programmers use database tools to _____ the applications during coding of the programs.

ANSWER: prototype POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 73. _____ allow end users to access the database without being able to download the information from their workstations.

ANSWER: Diskless workstations POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 74. _____ allows the assignment of access rights to specific authorized users.

ANSWER: Password security POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 454 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Knowledge 75. The _____ stage uses data modeling to create an abstract database structure that represents real-world objects in the most realistic way possible.

ANSWER: conceptual design POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 457 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Knowledge 76. The first step in _____ is to discover the data element characteristics.

ANSWER: conceptual design POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 459 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 09: Database Design 77. A designer must have a thorough understanding of the company's data types, extent, and uses in order to develop an accurate _____.

ANSWER: data model POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 459 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Knowledge 78. A _____ rule is a brief and precise narrative of a policy, procedure, or principle within a specific organization's environment.

ANSWER: business rule POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 459 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Knowledge 79. Because real-world database design is generally done by teams, the database design is probably divided into major components known as _____.

ANSWER: modules POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 464 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Knowledge 80. A _____ is an information system component that handles a specific business function, such as inventory, orders, or payroll.

ANSWER: module POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 464 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Knowledge 81. The term _____ describes the strength of the relationships found among a module’s entities.

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Chapter 09: Database Design ANSWER: cohesivity POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 466 LEARNING OBJECTIVES: DATA.CORO.15.LO9-4 - LO9-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Conceptual Design KEYWORDS: Bloom's: Knowledge 82. When selecting DBMS _____, items to consider include processors, RAM, and disk space.

ANSWER: hardware POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 467 LEARNING OBJECTIVES: DATA.CORO.15.LO9-5 - LO9-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Software Selection KEYWORDS: Bloom's: Knowledge 83. The _____ goal is to design an enterprise-wide database based on a specific data model but independent of physicallevel details.

ANSWER: logical design POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 468 LEARNING OBJECTIVES: DATA.CORO.15.LO9-6 - LO9-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Logical Design KEYWORDS: Bloom's: Knowledge 84. _____ could become a very technical job that affects not only the accessibility of the data in the storage device(s) but also the performance of the system.

ANSWER: Physical design POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 471 LEARNING OBJECTIVES: DATA.CORO.15.LO9-7 - LO9-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Physical Design KEYWORDS: Bloom's: Knowledge 85. List and briefly describe the three types of system maintenance activities.

ANSWER: The three types of maintenance activities are: 1. Corrective maintenance in response to systems errors.

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Chapter 09: Database Design 2. Adaptive maintenance due to changes in the business environment.

3. Perfective maintenance to enhance the system.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 445 LEARNING OBJECTIVES: DATA.CORO.15.LO9-2 - LO9-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: The Systems Development Life Cycle KEYWORDS: Bloom's: Comprehension 86. List and describe the different levels at which database backups can be performed.

ANSWER: A full backup, or dump, of the entire database. In this case, all database objects are backed up in their entirety.

A differential backup of the database, in which only the objects that have been updated or modified since the last full backup are backed up.

A transaction log backup, which backs up only the transaction log operations that are not reflected in a previous backup copy of the database. In this case, no other database objects are backed up.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 455 LEARNING OBJECTIVES: DATA.CORO.15.LO9-3 - LO9-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Life Cycle KEYWORDS: Bloom's: Comprehension 87. What are the factors affecting the purchasing decision for DBMS software?

ANSWER: Cost: This includes the original purchase price, along with maintenance, operational, license, installation, training, and conversion costs.

DBMS features and tools: Some database software includes a variety of tools that facilitate application development. For example, the availability of query by example (QBE), screen painters, report generators, application generators, and data dictionaries helps to create a more pleasant work environment for both the end user and the application programmer.

Database administrator facilities, query facilities, ease of use, performance, security, concurrency control, transaction processing, and third-party support also influence DBMS software selection.

Underlying model: This can be hierarchical, network, relational, object/relational, or objectoriented.

Portability: A DBMS can be portable across platforms, systems, and languages.

POINTS: DIFFICULTY:

DBMS hardware requirements: Items to consider include processor(s), RAM, disk space, and so on.

1 Difficulty: Moderate

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Chapter 09: Database Design REFERENCES: p. 467 LEARNING OBJECTIVES: DATA.CORO.15.LO9-5 - LO9-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: DBMS Software Selection KEYWORDS: Bloom's: Comprehension 88. Explain the concept of logical design and list the steps involved.

ANSWER: Logical design is the second stage in the database design process. The logical design goal is to design an enterprise-wide database that is based on a specific data model but independent of physical-level details. Logical design requires that all objects in the conceptual model be mapped to the specific constructs used by the selected database model.

The logical design is generally performed in the following four steps: 1. Mapping the conceptual model to logical model components 2. Validating the logical model using normalization 3. Validating the logical model integrity constraints 4. Validating the logical model against user requirements POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 468 LEARNING OBJECTIVES: DATA.CORO.15.LO9-6 - LO9-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Logical Design KEYWORDS: Bloom's: Comprehension 89. What are the classical approaches to database design?

ANSWER: There are two classical approaches to database design: 1. Top-down design starts by identifying the data sets and then defines the data elements for each of those sets. This process involves the identification of different entity types and the definition of each entity’s attributes.

2. Bottom-up design first identifies the data elements (items) and then groups them together in data sets. In other words, it first defines attributes, and then groups them to form entities.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 473 LEARNING OBJECTIVES: DATA.CORO.15.LO9-8 - LO9-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Design Strategies KEYWORDS: Bloom's: Comprehension 90. Explain the differences between a centralized and decentralized approach to database design.

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Chapter 09: Database Design ANSWER:

Centralized design is productive when the data component has a relatively small number of objects and procedures. The design can be carried out and represented in a fairly simple database. Centralized design is typical of relatively simple, small databases and can be successfully done by a single database administrator or by a small, informal design team. The company operations and the scope of the problem are sufficiently limited to allow even a single designer to define the problem(s), create the conceptual design, verify the conceptual design with the user views, define system processes and data constraints to ensure the efficacy of the design, and ensure that the design will comply with all the requirements.

On the other hand, decentralized design might be used when the system’s data component has a considerable number of entities and complex relations on which very complex operations are performed. Decentralized design is also often used when the problem itself is spread across several operational sites and each element is a subset of the entire data set. In large and complex projects, the database typically cannot be designed by only one person.

Instead, a carefully selected team of database designers tackles a complex database project.

Within the decentralized design framework, the database design task is divided into several modules. Once the design criteria have been established, the lead designer assigns design subsets or modules to design groups within the team.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 474-475 LEARNING OBJECTIVES: DATA.CORO.15.LO9-9 - LO9-9 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Centralized Versus Decentralized Design KEYWORDS: Bloom's: Comprehension

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Chapter 10: Transaction Management and Concurrency Control True / False 1. Most real-world database transactions are formed by only one database request. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 484 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 2. Although the DBMS is designed to recover a database to a previous consistent state when an interruption prevents the completion of a required set of transactions, the transactions themselves are defined by the end user or programmer and must be semantically correct. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 486 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Comprehension 3. The DBMS guarantees that the semantic meaning of a transaction truly represents the real-world event. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 486 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 4. Atomicity indicates the permanence of the database's consistent state. a. True b. False ANSWER: False POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control DIFFICULTY: Difficulty: Easy REFERENCES: p. 487 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 5. Serializability means that data used during the execution of a transaction cannot be used by a second transaction until the first one is completed. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 487 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 6. Incomplete or improper transactions can have a devastating effect on database integrity. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 487 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 7. Durability requires that all portions of the transaction must be treated as a single, logical unit of work in which all operations are applied and completed to produce a consistent database. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 487 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control 8. The multiuser DBMS must implement controls to ensure serializability and isolation of transactions, in addition to atomicity and durability, in order to guard the database's consistency and integrity. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 488 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 9. The phenomenon of uncommitted data occurs when two transactions are executed concurrently and the first transaction is rolled back after the second transaction has already accessed the uncommitted data—thus violating the isolation property of transactions. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 491 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Comprehension 10. The scheduler establishes the order in which the operations within concurrent transactions are executed. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 494 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 11. A scheduler facilitates data isolation to ensure that two transactions do not update the same data element at the same time. a. True b. False ANSWER: True POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control DIFFICULTY: Difficulty: Easy REFERENCES: p. 495 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 12. A lock guarantees the open use of a data item to multiple transactions. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 495 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 13. In a page-level lock, the DBMS will lock an entire diskpage. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 497 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 14. A field-level lock allows concurrent transactions to access the same row, as long as they require the use of different fields within that row. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 498 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 15. A shared lock produces no conflict as long as all the concurrent transactions are read-write only.

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Chapter 10: Transaction Management and Concurrency Control a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 499 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 16. A growing phase in a two-phase lock is when a transaction acquires all the required locks without locking any data. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 500 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 17. Timestamps must only have the single property of uniqueness. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 502 LEARNING OBJECTIVES: DATA.CORO.15.LO10-4 - LO10-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Time Stamping Methods KEYWORDS: Bloom's: Knowledge 18. Time stamping demands a lot of system resources because many transactions might have to be stopped, rescheduled, and stamped. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 502 LEARNING OBJECTIVES: DATA.CORO.15.LO10-4 - LO10-4 Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Time Stamping Methods KEYWORDS: Bloom's: Knowledge 19. An optimistic approach is based on the assumption that the majority of the database operations do not conflict. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 503 LEARNING OBJECTIVES: DATA.CORO.15.LO10-5 - LO10-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Time Stamping Methods KEYWORDS: Bloom's: Knowledge 20. When using an optimistic approach, during the read phase, a transaction reads the database, executes the needed computations, and makes the updates to a private copy of the database values. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 504 LEARNING OBJECTIVES: DATA.CORO.15.LO10-5 - LO10-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Concurrency Control with Time Stamping Methods KEYWORDS: Bloom's: Comprehension 21. The serializable isolation level is the least restrictive level defined by the ANSI SQL standard. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 505 LEARNING OBJECTIVES: DATA.CORO.15.LO10-6 - LO10-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: ANSI Level of Transaction Isolation KEYWORDS: Bloom's: Knowledge 22. The reason for the different levels of isolation is to increase transaction concurrency. a. True b. False ANSWER: True Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 505 LEARNING OBJECTIVES: DATA.CORO.15.LO10-6 - LO10-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: ANSI Level of Transaction Isolation KEYWORDS: Bloom's: Knowledge 23. The transaction recovery write-ahead-log protocol ensures that transaction logs are always written before any database data are actually updated. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 506 LEARNING OBJECTIVES: DATA.CORO.15.LO10-7 - LO10-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Recovery Management KEYWORDS: Bloom's: Knowledge 24. The last step in the write-through technique recovery procedure is to identify the last checkpoint in the transaction log. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 507 LEARNING OBJECTIVES: DATA.CORO.15.LO10-7 - LO10-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Recovery Management KEYWORDS: Bloom's: Knowledge Multiple Choice 25. Transaction is a ____ unit of work that must be either entirely completed or aborted a. time b. practical c. logical d. physical ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 484 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 26. A consistent database state is ___ a. one in which all tables have foreign keys b. one in which all data integrity constraints are satisfied c. one in which all table are normalized d. one in which all SQL statements only update one table at a time ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 484 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 27. _____ requires that all operations of a transaction be completed. a. Specificity b. Atomicity c. Durability d. Time stamping ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 484 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 28. _____ means that data used during the execution of a transaction cannot be used by a second transaction until the first one is completed. a. Serializability b. Atomocity c. Isolation d. Time stamping ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 487 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control TOPICS: KEYWORDS:

What is a Transaction?

Bloom's: Knowledge

29. A single- user database system automatically ensures_____ of the database, because only one transaction is executed at a time. a. serializability and durability b. atmocity and isolation c. serializability and Isolation d. atomicity and serializability ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 488 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Comprehension 30. The ANSI ha define standard that govern SQL database transactions. Transaction support is provided by two SQL statements____ and ROLLBACK. a. RETRIEVE b. ASSIGN c. UPDATE d. COMMIT ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 488 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 31. ANSI ha defines four events that signal the end of a transaction. Of the following events, which is defined by ANSI as being equivalent to a COMMIT? a. Five SQL statements are executed. b. The end of a program is successfully reached. c. The program is abnormally terminated. d. The database is shut down for maintenance ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 488 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control TOPICS: KEYWORDS:

What is a Transaction?

Bloom's: Knowledge

32. The ANSI ha define standard that govern SQL database transactions. Of the following events, which is defined by ANSI as being equivalent to a ROLLBACK? a. Five SQL statements are executed. b. The end of a program is successfully reached. c. The program is abnormally terminated. d. The database is shut down for maintenance.

ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 488 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 33. The implicit beginning of a transaction is ___ a. when database is started b. when a table is accessed for the first time c. when the first SQL statement is encountered d. when the COMMIT command is issued ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 489 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Knowledge 34. The information stored in the ___ is used by the DBMS for a recovery requirement triggered by a ROLLBACK statement, a program's adnormal termination, or a system failure such as a network discrepancy or a disk crash a. data dictionary b. metadata c. rollback manager d. transaction log ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 489 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control TOPICS: KEYWORDS:

What is a Transaction?

Bloom's: Knowledge

35. One of the three most common data integrity and consistency problem is ___. a. lost updates b. disk failures c. user errors d. deadlocks ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 490 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 36. _____ occurs when a transaction accesses data before and after one or more other transactions finish working with such data. a. Inconsistent retrievals b. The phenomena of uncommitted data c. lost update problems d. Dirty read problems ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 492 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 37. As long as two transactions, T1 and T2, access ____ data, there is no conflict, and the order of execution is irrelevant to the final outcome. a. shared b. common c. unrelated d. locked ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 494 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control TOPICS: KEYWORDS:

Concurrency Control Bloom's: Knowledge

38. ___ are required to prevent another transaction form reading inconsistent data a. Locks b. Schedules c. Stamps d. Logs ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 495 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 39. The ___ manager is responsible for assigning and policing the locks used by transactions. a. transaction b. database c. lock d. schedule ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 495 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 40. Lock_____ indicates the level of lock use. a. granularity b. shrinking c. growing d. serializability ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 496 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control 41. A ____lock locks the entire table preventing access to any row by a transaction while another transaction is using the table. a. database-level b. table-level c. page-level d. row-level ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 496 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 42. A ____lock locks the entire diskpage. a. transaction-level b. table-level c. page-level d. row-level ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 497 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 43. A diskpage, or page, is the equivalent of a ___. a. database table b. disk sector c. database schema d. diskblock ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 497 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 44. A_____ allows concurrent transactions to access different rows of the same table.

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Chapter 10: Transaction Management and Concurrency Control a. database table b. table-level c. page-level d. row-level ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 498 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 45. A(n)_____ specifically reserves access to the transaction that locked the object. a. shared lock b. exclusive lock c. binary lock d. deadlock ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 499 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 46. A(n)_____ lock exists when concurrent transactions are granted read access on the basis of a common lock a. shared b. exclusive c. binary d. two-phase ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 499 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 47. What is a rule that applies to the two-phase locking protocol. a. two transaction cannot have conflicting lock. b. no unlock operation can precede a lock operation in a different transaction.

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Chapter 10: Transaction Management and Concurrency Control c. no data is affected until all locks are released. d. no data is affected until the transaction is in its locked position ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 500 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 48. A(n) ____ phase in a two phase lock is when transaction releases all locks and cannot obtain any new lock. a. growing b. shrinking c. locking d. unlocking ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 500 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 49. A(n) ____ condition occurs when two or more transactions wait for ach other to unlock data. a. deadlock b. exclusive lock c. binary lock d. two-phase lock ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 500 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 50. The _____ approach to scheduling concurrent transactions assigns a global unique stamp to each transaction. a. scheduled b. table-locking c. unique d. timestamping Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 502 LEARNING OBJECTIVES: DATA.CORO.15.LO10-4 - LO10-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control With Locking Methods KEYWORDS: Bloom's: Knowledge 51. In the wait/die scheme,: a. the older transaction rolls back the younger transaction and reschedule it b. the younger, preempted transaction is rescheduled using the same time stamp. c. the older transaction wait for the younger one to complete and release its locks. d. both younger and older transactions wait indefinitely to be released.

ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 503 LEARNING OBJECTIVES: DATA.CORO.15.LO10-4 - LO10-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 52. In the optimistic approach, during the____ phase, a transaction scans the database, executes the needed computations, and makes the updates to a private copy of the database values. a. read b. validation c. write d. shared ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 504 LEARNING OBJECTIVES: DATA.CORO.15.LO10-5 - LO10-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 53. In the optimistic approach, during the____ phase, changes are permanently applied to the database. a. read b. validation c. write d. shared ANSWER: c Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 504 LEARNING OBJECTIVES: DATA.CORO.15.LO10-5 - LO10-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 54. The _____ isolation level ensures that queries return consistent results. a. read uncommitted b. read committed c. serializable d. repeatable read ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 504 LEARNING OBJECTIVES: DATA.CORO.15.LO10-6 - LO10-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 55. A(n) _______ occurs when a transaction executes a query at time T1, and it runs the same query at same time T2, yielding additional rows that satisfy the query a. phantom read b. dirty read c. uncommitted dependency d. nonrepeatable read ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 504 LEARNING OBJECTIVES: DATA.CORO.15.LO10-6 - LO10-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge Completion 56. Although the DBMS is designed to recover a database to a previous consistent state when an interruption prevents the completion of a required set of transactions, the transactions themselves are defined by the end user or programmer and must be _____ correct.

ANSWER: semantically POINTS: 1 DIFFICULTY: Difficulty: Moderate Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control REFERENCES: p. 486 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Comprehension 57. If a(n) _____ is issued before the termination of a transaction, the DBMS will restore the database only for that particular transaction, rather than for all transactions, in order to maintain the durability of the previous transactions.

ANSWER: ROLLBACK POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 489 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Comprehension 58. The objective of _____ control is to ensure the serializability of transactions in a multiuser database environment.

ANSWER: concurrency POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 490 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 59. The _____ occurs when two concurrent transactions, T1 and T2, are updating the same data element and one of the updates is lost.

ANSWER: lost update problem POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 490 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 60. The scheduler’s main job is to create a(n) _____ of a transaction’s operation, in which the interleaved executions of transactions yield the same results as if the transactions were executed in serial order.

ANSWER: serializable schedule POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 494 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 61. The _____ interleaves the execution of database operations to ensure serializability.

ANSWER: scheduler POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 494 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 62. To determine the appropriate order of the operations, the scheduler bases its actions on concurrency control algorithms, such as _____ or time stamping methods.

ANSWER: locking POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 494 LEARNING OBJECTIVES: DATA.CORO.15.LO10-2 - LO10-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control KEYWORDS: Bloom's: Knowledge 63. Most multiuser _____ automatically initiate and enforce locking procedures, where all locking information is managed by the lock manager.

ANSWER: DBMSs database management systems database management systems (DBMSs) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 495 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 64. _____ can take place at any of the following levels: database, table, page, row, or field.

ANSWER: Locking POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 496 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control TOPICS: KEYWORDS:

Concurrency Control with Locking Methods Bloom's: Knowledge

65. _____-level locks are less restrictive than database-level locks, but they create traffic jams when many transactions are waiting to access the same table.

ANSWER: Table POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 496 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 66. As a rule, a(n) _____ must unlock the object after its termination.

ANSWER: transaction POINTS: 1 DIFFICULTY: Difficulty: Easy LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 67. The _____ rule states that only one transaction at a time can own an exclusive lock on the same object.

ANSWER: mutual exclusive POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 499 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 68. If T1 has not unlocked data item Y, T2 cannot begin; if T2 has not unlocked data item X, T1 cannot continue.

Consequently, T1 and T2 each wait for the other to unlock the required data item. Such a deadlock is also known as a(n) _____.

ANSWER: deadly embrace POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 500-501 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control 69. Uniqueness ensures that no equal time stamp values can exist, and _____ ensures that time stamp values always increase.

ANSWER: monotonicity POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 502 LEARNING OBJECTIVES: DATA.CORO.15.LO10-4 - LO10-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 70. In a heavily used database management system (DBMS), the prevention and detection of _____ constitutes an important DBMS function.

ANSWER: deadlocks POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 504 LEARNING OBJECTIVES: DATA.CORO.15.LO10-5 - LO10-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Knowledge 71. _____ ensure that a disk physical failure will not impair the DBMS's ability to recover data.

ANSWER: Redundant transaction logs POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 506 LEARNING OBJECTIVES: DATA.CORO.15.LO10-7 - LO10-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Recovery Management KEYWORDS: Bloom's: Knowledge 72. Database transaction _____ restores a database from an inconsistent state to a previously consistent state.

ANSWER: recovery POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 506 LEARNING OBJECTIVES: DATA.CORO.15.LO10-7 - LO10-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Recovery Management KEYWORDS: Bloom's: Knowledge Essay 73. What is transaction isolation and why it is important?

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Chapter 10: Transaction Management and Concurrency Control ANSWER:

Isolation means that the data used during the execution of a transaction cannot be used by a second transaction until the first one is completed. In other words, if transaction T1 is being executed and is using the data item X, that data item cannot be accessed by any other transaction (T2 ... Tn) until T1 ends. This property is particularly useful in multiuser database environments because several users can access and update the database at the same time.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 487 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Comprehension 74. Explain the transaction log. What is its function?

ANSWER: A DBMS uses a transaction log to keep track of all transactions that update the database. The DBMS uses the information stored in this log for a recovery requirement triggered by a ROLLBACK statement, a program’s abnormal termination, or a system failure such as a network discrepancy or a disk crash.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 489 LEARNING OBJECTIVES: DATA.CORO.15.LO10-1 - LO10-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: What is a Transaction?

KEYWORDS: Bloom's: Comprehension 75. How does a shared/exclusive lock schema increase the lock manager’s overhead?

ANSWER: The type of lock held must be known before a lock can be granted.

Three lock operations exist: READ_LOCK to check the type of lock, WRITE_LOCK to issue the lock, and UNLOCK to release the lock.

The schema has been enhanced to allow a lock upgrade from shared to exclusive and a lock downgrade from exclusive to shared.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 500 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Comprehension 76. What are the three basic techniques to control deadlocks?

ANSWER: 1. Deadlock prevention. A transaction requesting a new lock is aborted when there is the possibility that a deadlock can occur. If the transaction is aborted, all changes made by this transaction are rolled back and all locks obtained by the transaction are released. The transaction is then rescheduled for execution. Deadlock prevention works because it avoids the conditions that lead to deadlocking.

2. Deadlock detection. The DBMS periodically tests the database for deadlocks. If a Copyright Cengage Learning. Powered by Cognero.

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Chapter 10: Transaction Management and Concurrency Control deadlock is found, the “victim” transaction is aborted (rolled back and restarted) and the other transaction continues.

3. Deadlock avoidance. The transaction must obtain all of the locks it needs before it can be executed. This technique avoids the rolling back of conflicting transactions by requiring that locks be obtained in succession. However, the serial lock assignment required in deadlock avoidance increases action response times.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 502 LEARNING OBJECTIVES: DATA.CORO.15.LO10-3 - LO10-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Concurrency Control with Locking Methods KEYWORDS: Bloom's: Comprehension 77. What are database checkpoints?

ANSWER: Database checkpoints are operations in which the DBMS writes all of its updated buffers to disk. While this is happening, the DBMS does not execute any other requests. A checkpoint operation is also registered in the transaction log. As a result of this operation, the physical database and the transaction log will be in sync. This synchronization is required because update operations update the copy of the data in the buffers and not in the physical database.

Checkpoints are automatically scheduled by the DBMS several times per hour. Checkpoints also play an important role in transaction recovery POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 507 LEARNING OBJECTIVES: DATA.CORO.15.LO10-7 - LO10-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Recovery Management KEYWORDS: Bloom's: Comprehension 78. How do transaction recovery procedures use the deferred-write and write-through techniques to recover transactions?

ANSWER: The database recovery process involves bringing the database to a consistent state after a failure. Transaction recovery procedures generally make use of deferred-write and writethrough techniques.

When the recovery procedure uses a deferred-write technique, the transaction operations do not immediately update the physical database. Instead, only the transaction log is updated.

The database is physically updated only after the transaction reaches its commit point, using information from the transaction log. If the transaction aborts before it reaches its commit point, no changes need to be made to the database because it was never updated. The recovery process for all started and committed transactions follows these steps: 1. Identify the last checkpoint in the transaction log. This is the last time transaction data were physically saved to disk.

2. For a transaction that started and was committed before the last checkpoint, nothing needs to be done because the data are already saved.

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Chapter 10: Transaction Management and Concurrency Control 3. For a transaction that performed a commit operation after the last checkpoint, the DBMS uses the transaction log records to redo the transaction and update the database, using the “after” values in the transaction log. The changes are made in ascending order, from oldest to newest.

4. For any transaction that had a ROLLBACK operation after the last checkpoint or that was left active before the failure occurred, nothing needs to be done because the database was never updated.

When the recovery procedure uses a write-through technique, the database is immediately updated by transaction operations during the transaction’s execution, even before the transaction reaches its commit point. If the transaction aborts before it reaches its commit point, a ROLLBACK or undo operation needs to be done to restore the database to a consistent state. In that case, the ROLLBACK operation will use the transaction log “before” values. The recovery process follows these steps: 1. Identify the last checkpoint in the transaction log. This is the last time transaction data were physically saved to disk.

2. For a transaction that started and was committed before the last checkpoint, nothing needs to be done because the data are already saved.

3. For a transaction that was committed after the last checkpoint, the DBMS redoes the transaction, using the “after” values of the transaction log. Changes are applied in ascending order, from oldest to newest.

4. For any transaction that had a ROLLBACK operation after the last checkpoint or that was left active before the failure occurred, the DBMS uses the transaction log records to ROLLBACK or undo the operations, using the “before” values in the transaction log.

Changes are applied in reverse order, from newest to oldest.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 507-508 LEARNING OBJECTIVES: DATA.CORO.15.LO10-7 - LO10-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Recovery Management KEYWORDS: Bloom's: Comprehension

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Chapter 11: Database Performance Tuning and Query Optimization 1. One of the main functions of a database system is to provide timely answers to end users. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 516 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 2. Good database performance is easy to evaluate. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 516 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 3. All factors must be checked to ensure that each system component operates at its optimum level and has sufficient resources to minimize the occurrence of bottlenecks. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 516 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 4. Good database performance starts with good database design. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 516 Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 5. DBMS implementations are typically similar in complexity to two-tier client/server configurations. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 518 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 6. A data file can contain rows from a single table alone. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 518 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 7. The data cache caches system catalog data and the contents of the indexes. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 8. The SQL cache stores the end-user written SQL. a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 9. To work with data, the DBMS must retrieve the data from permanent storage and place it in RAM. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 10. The purpose of an I/O operation is to move data to and from different computer components or devices. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 11. Working with data in the data cache is many times faster than working with data in the data files. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization 12. Fully equivalent means that the optimized query results are always the same as the original query. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 523 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge 13. The SQL execution activities are performed by the query optimizer. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 523 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge 14. All transaction management commands are processed during the parsing and execution phases of query processing. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 524 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge 15. An index scan is less efficient than a full table scan. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 526 Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 16. Indexes do not facilitate join operations. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 526 LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 17. Using index characteristics, a database designer can determine the best type of index to use. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 527 LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 18. A cost-based optimizer uses a set of preset rules and points to determine the best approach to execute a query. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 528 LEARNING OBJECTIVES: DATA.CORO.15.LO11-4 - LO11-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 19. The primary factor in determining the most efficient access plan is the I/O cost. a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 529 LEARNING OBJECTIVES: DATA.CORO.15.LO11-4 - LO11-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Optimizer Choices KEYWORDS: Bloom's: Comprehension 20. Most current-generation relational DBMSs perform automatic query optimization at the client end. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: 531 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Knowledge 21. Indexes are very useful in small tables or tables with low sparsity. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 532 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Knowledge 22. Character field comparisons are faster than numeric, date, and NULL comparisons. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 533 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization 23. In-memory database systems are optimized to store small portions of the database in disk storage alone. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 536 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 24. DBMS performance tuning includes global tasks such as managing the DBMS processes in primary memory and managing the structures in physical storage. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 536 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 25. Maximizing disk contention is one of the general recommendations for the physical storage of databases. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 537 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 26. RAID systems use a single disk to create storage volumes. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 537 Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 27. On the client side, the objective is to generate an SQL query that returns a correct answer in the least amount of time, using a minimum amount of resources at the server end. The activities required to achieve this goal are commonly referred to as _____ tuning. a. client SQL b. database SQL c. SQL performance d. DBMS performance ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 517 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 28. On the server side, the database environment must be properly configured to respond to clients' requests in the fastest way possible, while making optimum use of existing resources. The activities required to achieve this goal are commonly referred to as _____ tuning. a. client and server b. database SQL c. SQL performance d. DBMS performance ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 517 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 29. When moving data from permanent storage to RAM, an I/O disk operation retrieves: a. an entire table. b. an entire physical disk block. c. only the row containing the attribute requested. d. only the attribute which was requested.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization 30. A DBA determines the initial size of the data files that make up the database; however, as required, the data files can automatically expand in predefined increments known as _____. a. procedure cache b. buffer cache c. supplements d. extends ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 31. A(n) _____ is a logical grouping of several data files that store data with similar characteristics. a. procedure cache b. table space c. data cache d. listener ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 32. A system table space, a user data table space, an index table space, and a temporary table space are examples of _____. a. procedure caches b. file groups c. data caches d. operation modes ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 33. The data cache is where the data read from the database data files are stored _____ the data have been read or _____ the data are written to the database data files. a. after; before b. after; after c. before; before d. before; after ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 34. To work with data, a DBMS must retrieve the data from _____ and place them in _____. a. data files; procedure cache b. RAM; data cache c. permanent storage; RAM d. temporary files; procedure cache ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 35. The data cache or _____ is a shared, reserved memory area that stores the most recently accessed data blocks in RAM. a. buffer cache b. procedure cache c. SQL cache d. permanent storage ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 36. The _____ is a shared, reserved memory area that stores the most recently executed SQL statements or PL/SQL procedures, including triggers and functions. a. buffer cache b. procedure cache c. data cache d. permanent storage ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 37. The _____ process analyzes SQL queries and finds the most efficient way to access data. a. optimizer b. scheduler Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization c. listener d. user ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 520 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 38. To generate database object statistics manually, following syntax should be used in Oracle: _____. a. ANALYZE <TABLE/INDEX> object_name; b. CREATE <TABLE/INDEX> object_name; c. ANALYZE <TABLE/INDEX> object_name COMPUTE STATISTICS; d. CREATE <TABLE/INDEX> object_name COMPUTE STATISTICS; ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 522 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Comprehension 39. Automatic query optimization means that the: a. optimization takes place at compilation time by the b. DBMS finds the most cost-effective access path programmer. without user intervention. c. optimization process is scheduled and selected by the d. database access strategy is defined when the end user or programmer. program is executed.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 520 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 40. The DBMS _____ the SQL query and chooses the most efficient access/execution plan. a. parses b. executes c. fetches d. processes ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization REFERENCES: p. 522 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge 41. Which of the following is the first step of query processing at the DBMS server end? a. Executing b. Parsing c. Fetching d. Delivering ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 522 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge 42. The DBMS _____ the data and sends the result set back to the client. a. parses b. executes c. fetches d. processes ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 522 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge 43. If there is no index, the DBMS will perform a _____ scan. a. loop b. range c. row ID table access d. full table ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 527 LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 44. _____ refers to the number of different values a column could possibly have. a. Database statistics b. Data sparsity Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization c. A bitmap index d. Clustering ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 527 LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 45. Bitmap indexes tend to use less space than a _____ because they use bits instead of bytes to store their data. a. hash index b. sparse index c. B-tree index d. reverse index ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 527 LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 46. Knowing the sparsity of a column helps you decide whether the use of _____ is appropriate. a. query processing b. query optimization c. an index d. a full table scan ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 527 LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 47. _____ is the central activity during the parsing phase in query processing. a. Clustering b. Partitioning c. Query validation d. Query optimization ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 528 LEARNING OBJECTIVES: DATA.CORO.15.LO11-4 - LO11-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Optimizer Choices Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization KEYWORDS:

Bloom's: Knowledge

48. When setting optimizer hints, _____ instructs the optimizer to minimize the overall execution time, that is, to minimize the time it takes to return the total number of rows in the query result set. This hint is generally used for batch mode processes. a. ALL_ROWS b. FIRST_ROWS c. INDEX(P_QOH_NDX) d. OPTIMIZATION_ROWS ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 531 LEARNING OBJECTIVES: DATA.CORO.15.LO11-4 - LO11-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Optimizer Choices KEYWORDS: Bloom's: Comprehension 49. In standard SQL, the optimizer hint FIRST_ROWS is generally used for _____ mode processes. a. batch b. interactive c. transaction d. real-time ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 531 LEARNING OBJECTIVES: DATA.CORO.15.LO11-4 - LO11-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Optimizer Choices KEYWORDS: Bloom's: Knowledge 50. In standard SQL, the optimizer hint ALL_ROWS is generally used for _____ mode processes. a. interactive b. real-time c. batch d. transaction ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 531 LEARNING OBJECTIVES: DATA.CORO.15.LO11-4 - LO11-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Optimizer Choices KEYWORDS: Bloom's: Knowledge 51. The LIKE conditional operator is used by the _____ OPERAND1. a. P_PRICE b. V_STATE c. P_QOH d. V_CONTACT ANSWER: d POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization DIFFICULTY: Difficulty: Easy REFERENCES: p. 533 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Knowledge 52. The _____ must be set large enough to permit as many data requests to be serviced from cache as possible. a. data cache b. SQL cache c. sort cache d. optimizer mode ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 536 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 53. The majority of primary memory resources will be allocated to the _____ cache. a. data b. SQL c. sort d. optimizer ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 536 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 54. The _____ cache is used as a temporary storage area for ORDER BY or GROUP BY operations, as well as for indexcreation functions. a. data b. SQL c. sort d. optimizer ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 536 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 55. From the performance point of view, _____ databases eliminate disk access bottlenecks.

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Chapter 11: Database Performance Tuning and Query Optimization a. RAID b. distributed c. index-organized d. in-memory ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 536 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 56. The _____ table space is used for transaction-recovery purposes. a. system b. user data c. temporary d. rollback segment ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 537 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 57. In the context of RAID levels, _____ refers to writing the same data blocks to separate drives. a. striping b. mirroring c. partitioning d. aggregating ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 537 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 58. The _____ table space is used to store the data dictionary tables. a. system b. user data c. temporary d. rollback segment ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 537 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization TOPICS: KEYWORDS:

DBMS Performance Tuning Bloom's: Knowledge

59. In the context of RAID levels, striped arrays provide: a. increased read performance and fault tolerance. b. increased fault tolerance but decreased performance. c. increased read performance but no fault tolerance. d. neither fault tolerance nor good performance.

ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 537 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 60. In RAID level 5,: a. the data and the parity data are striped across b. the data blocks are spread over separate drives and separate drives. are duplicated. c. the array requires a minimum of two drives and is d. the array requires a minimum of five drives and is known as a striped array. known as duplexing.

ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 537 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Comprehension 61. End users and the DBMS interact through the use of _____ to generate information.

ANSWER: queries POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 516 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 62. A system will perform best when its hardware and software resources are _____.

ANSWER: optimized POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 516 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 63. Database _____ activities can be divided into those taking place either on the client side or on the server side.

ANSWER: performance tuning POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 517 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 64. _____ is another name for table space.

ANSWER: File group POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 65. A(n) _____ request is a low-level read or write data access operation to or from computer devices.

ANSWER: input/output I/O POINTS: 1 DIFFICULTY: Difficutly: Easy REFERENCES: p. 519 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Performance-Tuning Concepts KEYWORDS: Bloom's: Knowledge 66. DBMS query processing has _____ phases.

ANSWER: 3 three POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 522 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization 67. The _____ analyzes the SQL query and finds the most efficient way to access the data.

ANSWER: query optimizer POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 523 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge 68. Once an SQL statement is transformed, the DBMS creates what is commonly known as a(n) _____ plan.

ANSWER: access execution POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 524 LEARNING OBJECTIVES: DATA.CORO.15.LO11-2 - LO11-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Query Processing KEYWORDS: Bloom's: Knowledge 69. _____ are ordered sets of values that are crucial in speeding up data access.

ANSWER: Indexes POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 526 LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 70. A _____ is good for simple and fast lookup operations based on equality conditions. hash index ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 527 LEARNING OBJECTIVES: DATA.CORO.15.LO11-3 - LO11-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Indexes and Query Optimization KEYWORDS: Bloom's: Knowledge 71. _____ is evaluated based on client perspective.

SQL performance tuning ANSWER: POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization DIFFICULTY: Difficulty: Easy REFERENCES: p. 531 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Knowledge 72. _____ is a measure of the likelihood that an index will be used in query processing.

ANSWER: Index selectivity POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 532 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Knowledge 73. _____ is an index based on a specific SQL function or expression. function-based index ANSWER: POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 532 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Knowledge 74. A conditional expression is normally expressed within the _____ or HAVING clauses of a SQL statement.

ANSWER: WHERE POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 533 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Knowledge 75. ______ helps provide a balance between performance and fault tolerance.

ANSWER: RAID Redundant array of independent disks RAID (redundant array of independent disks) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 537 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 76. The _____ table space is the most frequently accessed table space and should be stored in its own volume.

ANSWER: system POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 537 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Knowledge 77. List and describe some typical DBMS processes.

ANSWER: Listener: The listener process listens for clients’ requests and handles the processing of the SQL requests to other DBMS processes. Once a request is received, the listener passes the request to the appropriate user process.

User: The DBMS creates a user process to manage each client session. Therefore, when users log on to the DBMS, they are assigned a user process. This process handles all requests the users submit to the server. There are many user processes—at least one per logged-in client.

Scheduler: The scheduler process organizes the concurrent execution of SQL requests.

Lock manager: This process manages all locks placed on database objects, including disk pages.

Optimizer: The optimizer process analyzes SQL queries and finds the most efficient way to access the data.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 519-520 LEARNING OBJECTIVES: DATA.CORO.15.LO11-1 - LO11-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Performance-Tuning Cconcepts KEYWORDS: Bloom's: Comprehension 78. Describe query optimization and the modes that an optimizer can operate in.

ANSWER: Query optimization is the central activity during the parsing phase in query processing. In this phase, the DBMS must choose what indexes to use, how to perform join operations, which table to use first, and so on. Each DBMS has its own algorithms for determining the most efficient way to access the data. The query optimizer can operate in one of two modes: A rule-based optimizer uses preset rules and points to determine the best approach to execute a query. The rules assign a “fixed cost” to each SQL operation; the costs are then added to yield the cost of the execution plan. For example, a full table scan has a set cost of 10, while a table access by row ID has a set cost of 3.

A cost-based optimizer uses sophisticated algorithms based on statistics about the objects Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization being accessed to determine the best approach to execute a query. In this case, the optimizer process adds up the processing cost, the I/O costs, and the resource costs (RAM and temporary space) to determine the total cost of a given execution plan.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 528-529 LEARNING OBJECTIVES: DATA.CORO.15.LO11-4 - LO11-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Optimizer Choices KEYWORDS: Bloom's: Comprehension 79. Why do we need to optimize a DBMS with SQL performance tuning, even though they automatically optimize SQL queries?

ANSWER: There is considerable room for improvement since the DBMS uses general optimization techniques rather than focus on specific techniques dictated by the special circumstances of the query execution. A poorly written SQL query can, and usually will, bring the database system to its knees from a performance point of view. The majority of current database performance problems are related to poorly written SQL code. Therefore, although a DBMS provides general optimizing services, a carefully written query almost always outperforms a poorly written one.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 531 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Comprehension 80. How can queries be written to perform the fastest when equality and inequality comparisons are needed?

ANSWER: Equality comparisons are generally faster than inequality comparisons. For example, P_PRICE = 10.00 is processed faster because the DBMS can do a direct search using the index in the column. If there are no exact matches, the condition is evaluated as false.

However, if an inequality symbol (>, >=, <, <=) is used, the DBMS must perform additional processing to complete the request, because there will almost always be more “greater than” or “less than” values in the index than “equal” values. With the exception of NULL, the slowest of all comparison operators is LIKE with wildcard symbols, as in V_CONTACT LIKE “%glo%”. Also, using the “not equal” symbol (<>) yields slower searches, especially when the sparsity of the data is high—that is, when there are many more different values than there are equal values.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 533 LEARNING OBJECTIVES: DATA.CORO.15.LO11-5 - LO11-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Performance Tuning KEYWORDS: Bloom's: Comprehension

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Chapter 11: Database Performance Tuning and Query Optimization 81. Summarize the steps required to formulate a query.

ANSWER: Queries are usually written to answer questions. In order to formulate a query, the following steps are used. a) Identify what columns and computations are required: The first step is needed to determine those required data values that are to be returned. For example, one must determine if names and addresses alone need to be returned or is there a need to include computations as well while returning the output. Another important note in the first step is that the columns in the SELECT statement should return single values. b) Identify the source tables: Once the required columns are identified, the source tables used in the query can be determined. If certain attributes appear in more than one table try to use the least number of tables in the query to minimize the number of join operations. c) Determine how to join the tables: Once the tables needed in the query statement are determined, one needs to properly identify how to join the tables. In most cases, a natural join is used, but occasionally an outer join is used. d) Determine what selection criteria is used: Most queries involve some type of selection criteria. In this case, the operators and operands that are needed by the criteria are determined. The correct data type and the granularity of data in the comparison of criteria need to be ensured. e) Determine the order in which to display the output: In the final stage, the required output might be ordered by one or more columns. The ORDER BY clause is particularly used to order the required output in this way but is a very resourceintensive operation for the DBMS. POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 535 LEARNING OBJECTIVES: DATA.CORO.15.LO11-6 - LO11-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Query Formulation KEYWORDS: Bloom's: Comprehension 82. How should storage volumes be allocated for indexes, system, and high-usage tables?

ANSWER: Assign separate data files in separate storage volumes for the indexes, system, and highusage tables. This ensures that index operations will not conflict with end-user data or data dictionary table access operations. Another advantage of this approach is that different disk block sizes in different volumes can be used. For example, the data volume can use a 16 K block size, while the index volume can use an 8 K block size. Remember that the index record size is generally smaller, and by changing the block size, contention is reduced and I/O operations are minimized. This is very important; many database administrators overlook indexes as a source of contention. By using separate storage volumes and different block sizes, the I/O operations on data and indexes will happen asynchronously; more importantly, the likelihood of write operations blocking read operations is reduced, as page locks tend to lock fewer records.

POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 11: Database Performance Tuning and Query Optimization DIFFICULTY: Difficulty: Moderate REFERENCES: p. 538 LEARNING OBJECTIVES: DATA.CORO.15.LO11-7 - LO11-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: DBMS Performance Tuning KEYWORDS: Bloom's: Comprehension

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Chapter 12: Distributed Database Management Systems 1. A distributed database management system (DDBMS) governs the storage and processing of logically related data over interconnected computer systems. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p 554 LEARNING OBJECTIVES: DATA.CORO.15.LO12-1 - LO12-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Distributed Database Management System KEYWORDS: Bloom's: Knowledge 2. Distributed data access was needed to support geographically dispersed business units. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 555 LEARNING OBJECTIVES: DATA.CORO.15.LO12-1 - LO12-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Distributed Database Management System KEYWORDS: Bloom's: Knowledge 3. Rapid ad hoc data became unnecessary in the quick-response decision-making environment. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 555 LEARNING OBJECTIVES: DATA.CORO.15.LO12-1 - LO12-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Distributed Database Management System KEYWORDS: Bloom's: Knowledge 4. The Internet is the repository for distributed data. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 555 Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems LEARNING OBJECTIVES: DATA.CORO.15.LO12-1 - LO12-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Distributed Database Management System KEYWORDS: Bloom's: Knowledge 5. Current distributed database management system (DDBMS) are subject to some problems, such as the complexity of management and control. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 556 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Advantages and Disadvantages KEYWORDS: Bloom's: Knowledge 6. Distributed processing shares a database's logical processing among two or more physically independent sites that are connected through a network. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 556 LEARNING OBJECTIVES: DATA.CORO.15.LO12-3 - LO12-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 7. One of the advantages of a distributed database management system (DDBMS) is that the data is located near the site with the least demand. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 8. One of the advantages of a distributed database management system (DDBMS) is growth facilitation.

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Chapter 12: Distributed Database Management Systems a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 9. One of the advantages of a distributed database management system (DDBMS) is security. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 10. Distributed processing does not require a distributed database, and a distributed database does not require distributed processing. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 558 LEARNING OBJECTIVES: DATA.CORO.15.LO12-3 - LO12-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 11. In order to manage distributed data, copies or parts of the database processing functions must be distributed to all data storage sites. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 558 Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems LEARNING OBJECTIVES: DATA.CORO.15.LO12-3 - LO12-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 12. A database management system (DBMS) must have validation, transformation, and mapping functions, as well as other functions, in order to be classified as distributed. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 559 LEARNING OBJECTIVES: DATA.CORO.15.LO12-4 - LO12-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Characteristic of Distributed Database Management Systems KEYWORDS: Bloom's: Knowledge 13. A fully distributed database management system (DBMS) must perform all the functions of a centralized DBMS, and it must handle all necessary functions imposed by the distribution of data and processing. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 559 LEARNING OBJECTIVES: DATA.CORO.15.LO12-4 - LO12-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Characteristic of Distributed Database Management Systems KEYWORDS: Bloom's: Knowledge 14. The transaction processor (TP) is the software component found in each computer that requests data. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 560 LEARNING OBJECTIVES: DATA.CORO.15.LO12-5 - LO12-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Components KEYWORDS: Bloom's: Knowledge 15. A distributed database management system (DDBMS) must be communications-media-dependent. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 560 LEARNING OBJECTIVES: DATA.CORO.15.LO12-5 - LO12-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Components KEYWORDS: Bloom's: Knowledge 16. A transaction processor (TP) is the software component residing on each computer that stores and retrieves data located at the site. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 560 LEARNING OBJECTIVES: DATA.CORO.15.LO12-5 - LO12-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Components KEYWORDS: Bloom's: Knowledge 17. In the single-site processing, single-site data (SPSD) scenario, all processing must be done on the end user's side of the system. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 561 LEARNING OBJECTIVES: DATA.CORO.15.LO12-6 - LO12-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Levels of Data and process Distribution KEYWORDS: Bloom's: Knowledge 18. Performance transparency ensures that the system finds the most cost-effective path to access remote data. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 565 LEARNING OBJECTIVES: DATA.CORO.15.LO12-7 - LO12-7 Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Database Transparency Features KEYWORDS: Bloom's: Knowledge 19. The level of transparency supported by the distributed database management system remains the same for all systems. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 565 LEARNING OBJECTIVES: DATA.CORO.15.LO12-8 - LO12-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 20. Distribution transparency is supported by a distributed data dictionary. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 567 LEARNING OBJECTIVES: DATA.CORO.15.LO12-8 - LO12-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 21. Distributed database systems do not require complex mechanisms to manage transactions and ensure the database's consistency and integrity. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 568 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 22. A remote transaction, composed of several requests, may access data at multiple sites. a. True b. False ANSWER: False Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 568 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 23. A centralized database management is subject to a problem such as _____. a. a growing number of remote locations b. maintaining and operating small database systems c. dependence on multiple sites d. organizational flexibility of the database ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 556 LEARNING OBJECTIVES: DATA.CORO.15.LO12-1 - LO12-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Distributed Database Management Systems KEYWORDS: Bloom's: Comprehension 24. A disadvantage of a distributed database management system (DDBMS) is that: a. it is slower in terms of data access. b. adding new sites affects other sites' operations. c. it is processor dependent. d. there are lack of standards.

ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 25. A distributed database is composed of several parts known as database _____. a. sections b. fragments c. partitions d. parts ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-3 - LO12-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems 26. Distributed processing does not require: a. database processing functions to be distributed to all data storage sites. c. a network of interconnected components.

b. an existing distributed database. d. multiple sites to share processing chores.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 558 LEARNING OBJECTIVES: DATA.CORO.15.LO12-3 - LO12-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 27. A database management system needs _____ to prepare the data for presentation to the end user or to an application program. a. security b. concurrency control c. formatting d. I/O interface ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 559 LEARNING OBJECTIVES: DATA.CORO.15.LO12-4 - LO12-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Characteristics of Distributed Database Management Systems KEYWORDS: Bloom's: Knowledge 28. The _____ processor is the software component found in each computer that requests data. It receives and processes the application's data requests. a. database b. transaction c. data d. network ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 560 LEARNING OBJECTIVES: DATA.CORO.15.LO12-5 - LO12-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Components KEYWORDS: Bloom's: Knowledge 29. In theory, a(n) _____ can be an independent centralized database management system with proper interfaces to support remote access from other independent database management systems in the network. a. transaction processor b. application processor c. transaction manager d. data processor ANSWER: d Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems POINTS: 1 DIFFICULTY: Difficutly: Easy REFERENCES: p. 561 LEARNING OBJECTIVES: DATA.CORO.15.LO12-5 - LO12-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Components KEYWORDS: Bloom's: Knowledge 30. Under the _____ scenario, all record- and file-locking activities are performed at the end-user location. a. single-site processing, single-site data b. multiple-site processing, single-site data c. single-site processing, multiple-site data d. multiple-site processing, multiple-site data ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 562-563 LEARNING OBJECTIVES: DATA.CORO.15.LO12-6 - LO12-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Levels of Data and Process Distribution KEYWORDS: Bloom's: Knowledge 31. _____ distributed database management system (DDBMS) integrate multiple instances of the same DBMS over a network. a. Homogeneous b. Heterogeneous c. Fully heterogeneous d. Combination ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 563 LEARNING OBJECTIVES: DATA.CORO.15.LO12-6 - LO12-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Levels of Data and Process Distribution KEYWORDS: Bloom's: Knowledge 32. A _____ distributed database system will support different database management systems (DBMS) that may even support different models running under different computer systems. a. fully heterogeneous b. fully homogeneous c. homogeneous d. heterogeneous ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 563 LEARNING OBJECTIVES: DATA.CORO.15.LO12-6 - LO12-6 Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Levels of Data and Process Distribution KEYWORDS: Bloom's: Knowledge 33. A DDBMS is subject to which of the following restrictions? a. Multiple instances of the same database should be integrated over a network. c. Rapid ad hoc data access is not possible.

b. All database processing must be done at a single site. d. Remote data access is provided on a readonly basis.

ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 564 LEARNING OBJECTIVES: DATA.CORO.15.LO12-6 - LO12-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Levels of Data and Process Distribution KEYWORDS: Bloom's: Knowledge 34. _____ transparency allows a physically dispersed database to be managed as though it were centralized. a. Distribution b. Transaction c. Failure d. Performance ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 565 LEARNING OBJECTIVES: DATA.CORO.15.LO12-7 - LO12-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 35. _____ transparency allows data to be updated simultaneously at several network sites. a. Transaction b. Distribution c. Failure d. Performance ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 565 LEARNING OBJECTIVES: DATA.CORO.15.LO12-7 - LO12-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Database Transparency Features KEYWORDS: Bloom's: Knowledge 36. _____ transparency allows the system to operate as if it were a centralized database management system. a. Heterogeneity b. Distribution c. Performance d. Failure Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 565 LEARNING OBJECTIVES: DATA.CORO.15.LO12-7 - LO12-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Database Transparency Features KEYWORDS: Bloom's: Knowledge 37. _____ transparency is the highest level of transparency. The end user or programmer does not need to know that a database is partitioned. a. Performance b. Fragmentation c. Location d. Local mapping ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 565 LEARNING OBJECTIVES: DATA.CORO.15.LO12-8 - LO12-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 38. _____ transparency exists when the end user or programmer must specify the database fragment names but does not need to specify where these fragments are located. a. Transaction b. Location c. Local mapping d. Fragmentation ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 565 LEARNING OBJECTIVES: DATA.CORO.15.LO12-8 - LO12-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 39. A _____ contains the description of the entire database as seen by the database administrator. a. distributed global dictionary b. distributed data dictionary c. distributed global schema d. distributed data schema ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 567 LEARNING OBJECTIVES: DATA.CORO.15.LO12-8 - LO12-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems TOPICS: KEYWORDS:

Distribution Transparency Bloom's: Knowledge

40. A _____ lets a single SQL statement access the data that are to be processed by a single remote database processor. a. remote request b. remote transaction c. distributed request d. distributed transaction ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 568 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 41. A distributed _____ can reference several different local or remote data processing sites. a. request b. site c. data location d. transaction ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 569 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 42. A _____ request lets a single SQL statement reference data located at several different local or remote DP sites. a. distributed b. transaction c. fragmented d. remote ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 570 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 43. The _____ guarantees that if a portion of a transaction operation cannot be committed, all changes made at the other sites participating in the transaction will be undone to maintain a consistent database state. a. DO-UNDO-REDO protocol b. two-phase commit protocol (2PC) c. coordinator protocol d. write-ahead protocol ANSWER: b POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems DIFFICULTY: Difficulty: Easy REFERENCES: p. 571 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 44. The objective of _____ optimization is to minimize the total cost associated with the execution of a request. a. data b. remote c. transaction d. query ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 574 LEARNING OBJECTIVES: DATA.CORO.15.LO12-10 - LO12-10 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Performance and Failure Transparency KEYWORDS: Bloom's: Knowledge 45. _____ is the delay imposed by the amount of time required for a data packet to make a round trip from point A to point B. a. Data distribution b. Replica transparency c. Network latency d. Network partitioning ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 574 LEARNING OBJECTIVES: DATA.CORO.15.LO12-10 - LO12-10 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Performance and Failure Transparency KEYWORDS: Bloom's: Knowledge 46. _____ fragmentation allows a user to break a single object into two or more segments, or fragments. a. Horizontal b. Vertical c. Data d. Request ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 575 LEARNING OBJECTIVES: DATA.CORO.15.LO12-11 - LO12-11 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Database Design KEYWORDS: Bloom's: Knowledge 47. _____ fragmentation refers to the division of a relation into subsets of tuples.

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Chapter 12: Distributed Database Management Systems a. Vertical b. Horizontal c. Data d. Mixed ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 575 LEARNING OBJECTIVES: DATA.CORO.15.LO12-11 - LO12-11 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Database Design KEYWORDS: Bloom's: Knowledge 48. _____ fragmentation refers to the division of a relation into attribute subsets. a. Data b. Horizontal c. Vertical d. Mixed ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 575 LEARNING OBJECTIVES: DATA.CORO.15.LO12-11 - LO12-11 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Database Design KEYWORDS: Bloom's: Knowledge 49. The _____ rule requires that all copies of data fragments be identical. a. shared fragment b. mutual consistency c. horizontal fragmentation d. replication ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 578 LEARNING OBJECTIVES: DATA.CORO.15.LO12-11 - LO12-11 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Database Design KEYWORDS: Bloom's: Knowledge 50. A(n) _____ database stores each database fragment at a single site. a. partially replicated b. unreplicated c. fully replicated d. partitioned ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 580 LEARNING OBJECTIVES: DATA.CORO.15.LO12-11 - LO12-11 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems TOPICS: KEYWORDS:

Distributed Database Design Bloom's: Knowledge

51. In a basic distributed processing environment, the distributed processing system shares the database chores among three sites connected through a _____.

ANSWER: communications network POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 556 LEARNING OBJECTIVES: DATA.CORO.15.LO12-3 - LO12-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Advantage and Disadvantage KEYWORDS: Bloom's: Knowledge 52. One of the advantages of a distributed database management system (DDBMS) is _____ operating cost.

ANSWER: reduced lower POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 53. A user-friendly _____ is one advantage of a distributed database management system (DDBMS) .

ANSWER: interface POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 54. One of the advantages of a distributed database management system (DDBMS) is less danger of a single-_____ failure.

ANSWER: point POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems 55. One of the advantages of a distributed database management system (DDBMS) is processor _____.

ANSWER: independence POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 557 LEARNING OBJECTIVES: DATA.CORO.15.LO12-2 - LO12-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Processing and Distributed Databases KEYWORDS: Bloom's: Knowledge 56. _____ management ensures that data move from one consistent state to another.

ANSWER: Transaction POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 559 LEARNING OBJECTIVES: DATA.CORO.15.LO12-4 - LO12-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Characteristics of Distributed Database Management Systems KEYWORDS: Bloom's: Knowledge 57. In a distributed database management system (DDBMS), _____ occurs to determine the data location of local and remote fragments.

ANSWER: mapping POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 559 LEARNING OBJECTIVES: DATA.CORO.15.LO12-4 - LO12-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Characteristics of Distributed Database Management Systems KEYWORDS: Bloom's: Knowledge 58. In a distributed database management system (DDBMS), query _____ is used to find the best access strategy.

ANSWER: optimization POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 559 LEARNING OBJECTIVES: DATA.CORO.15.LO12-4 - LO12-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Characteristics of Distributed Database Management Systems KEYWORDS: Bloom's: Knowledge 59. In a distributed database management system (DDBMS), _____ control is used to manage simultaneous data access and ensure data consistency across database fragments.

ANSWER: concurrency Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 559 LEARNING OBJECTIVES: DATA.CORO.15.LO12-4 - LO12-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Characteristics of Distributed Database Management Systems KEYWORDS: Bloom's: Knowledge 60. A transaction processor is also known as the _____ processor.

ANSWER: application POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 560 LEARNING OBJECTIVES: DATA.CORO.15.LO12-5 - LO12-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Components KEYWORDS: Bloom's: Knowledge 61. The distributed database system must be _____ of the computer hardware system.

ANSWER: independent POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 560 LEARNING OBJECTIVES: DATA.CORO.15.LO12-5 - LO12-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: DDBMS Components KEYWORDS: Bloom's: Knowledge 62. The _____ scenario is typical of most mainframe and midrange UNIX/LINUX server database management systems (DBMS).

ANSWER: single-site processing, single-site data SPSD single-site processing, single-site data (SPSD) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 561-562 LEARNING OBJECTIVES: DATA.CORO.15.LO12-6 - LO12-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Levels of Data and Process Distribution KEYWORDS: Bloom's: Knowledge 63. Typically, the _____ scenario requires a network file server running conventional applications that are accessed through a network.

ANSWER: multiple-site processing, single-site data MPSD multiple-site processing, single-site data (MPSD) Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 562 LEARNING OBJECTIVES: DATA.CORO.15.LO12-6 - LO12-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Levels of Data and Process Distribution KEYWORDS: Bloom's: Knowledge 64. The _____ fragment condition indicates that no row has a duplicate, regardless of the fragment in which it is located.

ANSWER: unique POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 566 LEARNING OBJECTIVES: DATA.CORO.15.LO12-8 - LO12-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 65. The database description, known as the distributed _____ schema, is the common database schema used by local transaction processors (TPs) to translate user requests into subqueries that will be processed by different data processors (DPs).

ANSWER: global POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 567-568 LEARNING OBJECTIVES: DATA.CORO.15.LO12-8 - LO12-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 66. The _____ protocol is used by a DP to roll transactions back and forward with the help of the system's transaction log entries.

ANSWER: DO-UNDO-REDO DO UNDO REDO do-undo-redo do undo redo POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 572 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distribution Transparency KEYWORDS: Bloom's: Knowledge 67. The _____ forces the log entry to be written to permanent storage before the actual operation takes place.

ANSWER: write-ahead protocol Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 572 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Transaction Transparency KEYWORDS: Bloom's: Knowledge 68. _____ describes the process of deciding where to locate data.

ANSWER: data allocation POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 580 LEARNING OBJECTIVES: DATA.CORO.15.LO12-7 - LO12-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Distributed Database Design KEYWORDS: Bloom's: Knowledge 69. A fully distributed database management system must perform all of the functions of a centralized database management system (DBMS). What are these functions?

ANSWER: 1. Receive the request of an application or end user.

2. Validate, analyze, and decompose the request. The request might include mathematical and logical operations such as the following: Select all customers with a balance greater than $1,000. The request might require data from only a single table, or it might require access to several tables.

3. Map the request’s logical-to-physical data components.

4. Decompose the request into several disk I/O operations.

5. Search for, locate, read, and validate the data.

6. Ensure database consistency, security, and integrity.

7. Validate the data for the conditions, if any, specified by the request.

8. Present the selected data in the required format.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 559 LEARNING OBJECTIVES: DATA.CORO.15.LO12-4 - LO12-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Characteristics of Distributed Database Management Systems KEYWORDS: Bloom's: Comprehension 70. Explain the difference between homogeneous and heterogeneous distributed database management systems (DDBMS).

ANSWER: Homogeneous DDBMSs integrate multiple instances of the same DBMS over a network— for example, multiple instances of Oracle 11g running on different platforms. In contrast, heterogeneous DDBMSs integrate different types of DBMSs over a network, but all support the same data model. A fully heterogeneous DDBMS will support different DBMSs, each one supporting a different data model, running under different computer systems.

POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 12: Distributed Database Management Systems DIFFICULTY: Difficulty: Moderate REFERENCES: p. 563 LEARNING OBJECTIVES: DATA.CORO.15.LO12-6 - LO12-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Levels of Data and process distribution KEYWORDS: Bloom's: Comprehension 71. Describe performance transparency and heterogeneity transparency.

ANSWER: Performance transparency allows the system to perform as if it were a centralized DBMS. The system will not suffer any performance degradation due to its use on a network or because of the network’s platform differences. Performance transparency also ensures that the system will find the most cost-effective path to access remote data. The system should be able to “scale out” in a transparent manner, or increase performance capacity by adding more transaction or data-processing nodes, without affecting the overall performance of the system.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 565 LEARNING OBJECTIVES: DATA.CORO.15.LO12-7 - LO12-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Distributed Database Transparency Features KEYWORDS: Bloom's: Comprehension 72. What is transaction transparency? What are some of the basic concepts that one should know to understand how transactions are managed in a distributed database management system (DDBMS)?

ANSWER: Transaction transparency is a DDBMS property that ensures database transactions will maintain the distributed database’s integrity and consistency. It should be remembered that a DDBMS database transaction can update data stored in many different computers connected in a network. Transaction transparency ensures that the transaction will be completed only when all database sites involved in the transaction complete their part of the transaction.

Distributed database systems require complex mechanisms to manage transactions and ensure the database’s consistency and integrity. To understand how the transactions are managed, the basic concepts governing remote requests, remote transactions, distributed transactions, and distributed requests should be known.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 568 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Transaction Transparency KEYWORDS: Bloom's: Comprehension 73. Explain the three types of operations defined by the DO-UNDO-REDO protocol.

ANSWER: 1. DO performs the operation and records the “before” and “after” values in the transaction log.

2. UNDO reverses an operation, using the log entries written by the DO portion of the sequence.

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Chapter 12: Distributed Database Management Systems 3. REDO redoes an operation, using the log entries written by the DO portion of the sequence.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 572 LEARNING OBJECTIVES: DATA.CORO.15.LO12-9 - LO12-9 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Transaction Transparency KEYWORDS: Bloom's: Knowledge 74. Discuss the CAP Theorem and the three desirable properties it mentions.

ANSWER:

According to Dr. Eric Brewer, there are three commonly desirable properties in any highly distributed data system consistency, availability, and partition tolerance. However, it is impossible for a system to provide all three at the same time Consistency takes a bigger role in a distributed database. All nodes should see the same data at the same time which means the replicas should be immediately undated. This involves dealing with latency and network partitioning delay.

Availability is a paramount requirement of all web-centric organizations. No received request should ever be lost and requests should always be filled by the system.

Partition tolerance means the system continues to operate even in the event of a node failure and will fail only if all nodes fail.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 581 LEARNING OBJECTIVES: DATA.CORO.15.LO12-7 - LO12-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The CAP Theorem KEYWORDS: Bloom's: Comprehension 75. Describe any five of the 12 commandments formulated by C. J. Date for distributed databases.

ANSWER: With the rise of relational databases, most vendors implemented their own versions of distributed databases, generally highlighting their respective product’s strengths. To make comparisons easier, C. J. Date formulated 12 “commandments” or basic principles of distributed databases. Although no current DDBMS conforms to all of them, they constitute a useful target. Students may choose any five of the following 12 commandments and describe them: Rule 1: Local-site independence.

Each local site can act as an independent, autonomous, centralized DBMS. Each site is responsible for security, concurrency control, backup, and recovery.

Rule 2: Central-site independence.

No site in the network relies on a central site or any other site. All sites have the same capabilities.

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Chapter 12: Distributed Database Management Systems Rule 3: Failure independence.

The system is not affected by node failures. The system is in continuous operation even in the case of a node failure or an expansion of the network.

Rule 4: Location transparency.

The user does not need to know the location of data to retrieve those data.

Rule 5: Fragmentation transparency.

Data fragmentation is transparent to the user, who sees only one logical database. The user does not need to know the name of the database fragments to retrieve them.

Rule 6: Replication transparency.

The user sees only one logical database. The DDBMS transparently selects the database fragment to access. To the user, the DDBMS manages all fragments transparently.

Rule 7: Distributed query processing.

A distributed query may be executed at several different data processor sites. Query optimization is performed transparently by the DDBMS. Rule 8: Distributed transaction processing.

A transaction may update data at several different sites, and the transaction is executed transparently.

Rule 9: Hardware independence.

The system must run on any hardware platform.

Rule 10: Operating system independence.

The system must run on any operating system platform.

Rule 11: Network independence.

The system must run on any network platform.

Rule 12: Database independence.

The system must support any vendor’s database product.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 583 LEARNING OBJECTIVES: DATA.CORO.15.LO12-14 - LO12-14 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: C.J. Date's 12 Commandments for Distributed Databases KEYWORDS: Bloom's: Comprehension

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Chapter 13: Business Intelligence and Data Warehouses True / False 1. Business intelligence is a framework that allows a business to transform data into information, information into knowledge, and knowledge into wisdom. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 590 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Intellegence KEYWORDS: Bloom's: Knowledge 2. Business intelligence (BI) architecture is composed of data, people, processes, technology, and the management of such components. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 592 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Intellegence KEYWORDS: Bloom's: Knowledge 3. A data store is used by data analysts to create queries that access the database. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 593 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Business Intellegence KEYWORDS: Bloom's: Knowledge 4. Master data management’s main goal is to provide a partial and segmented definition of all data within an organization. a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 595 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Business Intellegence KEYWORDS: Bloom's: Knowledge 5. Operational data and decision support data serve the same purpose. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 602 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge 6. Decision support data are a snapshot of the operational data at a given point in time. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 603 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge 7. Queries against operational data typically are broad in scope and high in complexity. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 604 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses 8. Data warehouse data are organized and summarized by table, such as CUSTOMER and ADDRESS. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 608 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 9. Relational data warehouses use multidimensional data schema support to handle multidimensional data. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 610 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 10. The data warehouse development life cycle differs from classical systems development. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 610 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 11. A data warehouse designer must define common business dimensions that will be used by a data analyst to narrow a search, group information, or describe attributes. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 612 Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Comprehension 12. By default, the fact table’s primary key is always formed by combining the superkeys pointing to the dimension tables to which they are related. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 617 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 13. Normalizing fact tables improves data access performance and saves data storage space. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 619 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 14. Periodicity, usually expressed as current year only, previous years, or all years, provides information about the time span of the data stored in a table. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 621 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 15. Multidimensional data analysis techniques include advanced computational functions. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 622 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 16. Advanced OLAP feature become more useful when access to them is kept simple a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 623 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 17. To provide better performance, some OLAP systems merge data warehouse and data mart approaches by storing small extracts of the data warehouse at end-user workstations. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 625 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Comprehension 18. A star schema is designed to optimize data query operations rather than data update operations. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 626 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses TOPICS: KEYWORDS:

Online Analytical Processing Bloom's: Knowledge

19. ROLAP and MOLAP vendors are working toward the integration of their respective solutions within a unified decision support framework. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 629 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 20. The ROLLUP extension is used with the GROUP BY clause to generate aggregates by the listed columns, including the last one. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 630 LEARNING OBJECTIVES: DATA.CORO.15.LO13-8 - LO13-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: SQL Extensions for OLAP KEYWORDS: Bloom's: Comprehension 21. The CUBE extension enable you to get a grand total for each column listed in the expression a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 631 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge Multiple Choice 22. A _____ is optimized for decision support and is generally represented by a data warehouse or a data mart. a. data store b. ETL tool Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses c. data visualization d. data analysis tool ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 593 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 23. _____ are in charge of presenting data to the end user in a variety of ways. a. Data stores b. ETL tools c. Data visualization tools d. Data analysis tools ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 593 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 24. _____ provide a unified, single point of entry for information distribution. a. Decision support systems b. Portals c. Data warehouses d. Dashboards ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 594 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 25. In business intelligence framework, data are captured from a production system and placed in _____ on a near realtime basis. a. decision support system b. portal c. data warehouse d. dashboard ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 594 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses TOPICS: KEYWORDS:

Business Intelligence Bloom's: Knowledge

26. _____ tools focus on the strategic and tactical use of information. a. Business b. Relational database management c. Business intelligence d. Networking ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 595 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 27. Which of the following is a personal analytics vendor for BI applications? a. IBM b. Kognitio c. Netezza d. MicroStrategy ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 602 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge 28. From a data analyst’s point of view, decision support data differ from operational data in three main areas: time span, granularity, and _____. a. usability b. dimensionality c. transaction processing d. sparsity ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 602 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge 29. Operational data are commonly stored in many tables, and the stored data represent information about a given _____ only.

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Chapter 13: Business Intelligence and Data Warehouses a. transaction b. database c. table d. concept ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 604 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge 30. The _____ schema must support complex (non-normalized) data representations. a. snowflake b. online analytical processing c. decision support database d. multidimensional database ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 605 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge 31. Data _____ implies that all business entities, data elements, data characteristics, and business metrics are described in the same way throughout the enterprise. a. visualization b. analytics c. mining d. integration ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 607 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 32. _____ can serve as a test vehicle for companies exploring the potential benefits of data warehouses. a. Data networks b. Data marts c. Data cubes d. OLAPs ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 610 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 33. Bill Inmon and Chuck Kelley created a set of 12 rules to define a(n) _____. a. data warehouse b. multidimensional cube c. OLAP tool d. star schema ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 610 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 34. The basic star schema has four components: facts, _____, attributes, and attribute hierarchies. a. keys b. relationships c. cubes d. dimensions ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 610 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 35. Computed or derived facts, at run time, are sometimes called _____ to differentiate them from stored facts. a. schemas b. attributes c. metrics d. dimensions ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 611 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 36. In a star schema, attributes are often used to search, filter, or classify _____. a. tables b. sales c. facts d. dimensions ANSWER: c Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 612 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 37. The attribute hierarchy provides a top-down data organization that is used for two main purposes: _____ and drilldown/roll-up data analysis. a. decomposition b. de-normalization c. normalization d. aggregation ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 614 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 38. In star schema representation, a fact table is related to each dimension table in a _____ relationship. a. many-to-one (M:1) b. many-to-many (M:M) c. one-to many (1:M) d. one-to-one (1:1) ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 616 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 39. Fact and dimension tables are related by _____ keys. a. shared b. primary c. foreign d. linked ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 616 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses 40. In a typical star schema, each dimension record is related to thousands of _____ records. a. attribute b. fact c. key d. primary ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 617 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 41. A _____ schema is a type of star schema in which dimension tables can have their own dimension tables. a. snowflake b. starflake c. dimension d. matrix ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 618 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 42. _____ splits a table into subsets of rows or columns and places the subsets close to the client computer to improve data access time. a. Normalization b. Meta modeling c. Replication d. Partitioning ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 620 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 43. The reliance on _____ as the design methodology for relational databases is seen as a stumbling block to its use in OLAP systems. a. normalization b. denormalization c. star schema d. multidimensional schema ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 626 Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 44. Decision support data tend to be non-normalized, _____, and pre-aggregated. a. unique b. duplicated c. optimized d. sorted ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 626 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 45. _____ extends SQL so that it can differentiate between access requirements for data warehouse data and operational data. a. ROLAP b. OLAP c. DBMS d. BI ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 626 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 46. A _____ index is based on 0 and 1 bits to represent a given condition. a. logical b. multidimensional c. normal d. bitmapped ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 627 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 47. Conceptually, MDBMS end users visualize the stored data as a three-dimensional cube known as a _____. a. multi-cube b. database cube c. data cube d. hyper cube Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 628 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 48. An multidimensional database management systems (MDBMS) uses proprietary techniques to store data in _____ ndimensional arrays. a. table-like b. matrix-like c. network-like d. cube-like ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 628 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 49. A _____ is a dynamic table that not only contains the SQL query command to generate the rows, but also stores the actual rows. a. SQL view b. materialized view c. star schema d. data cube ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 630 LEARNING OBJECTIVES: DATA.CORO.15.LO13-8 - LO13-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: SQL Extension for OLAP KEYWORDS: Bloom's: Knowledge Completion 50. _____ is a term used to describe a comprehensive, cohesive, and integrated set of tools and processes used to capture, collect, integrate, store, and analyze data with the purpose of generating and presenting information used to support business decision making.

ANSWER: Business intelligence POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 590 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 51. _____ functionality ranges from simple data gathering and transformation to very complex data analysis and presentation.

ANSWER: BI business intelligence POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 592 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 52. _____ use web-based technologies to present key business performance indicators or information in a single integrated view, generally using graphics in a clear, concise, and easy to understand manner.

ANSWER: Dashboards POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 594 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 53. Data _____ tools are tools that provide advanced statistical analysis to uncover problems and opportunities hidden within business data.

ANSWER: mining POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 594 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 54. _____ are quantifiable measurements (numeric or scale based) that assess a company’s effectiveness or success in reaching its strategic and operational goals.

ANSWER: Key performance indicators KPI KPIs Key performance indicators (KPI) POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses DIFFICULTY: Difficulty: Easy REFERENCES: p. 595 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 55. _____ is a collection of concepts, techniques, and processes for the proper identification, definition, and management of data elements within an organization.

ANSWER: Master data management MDM Master data management (MDM) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 595 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 56. ______ is a method or process of government.

ANSWER: Governance POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 595 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Business Intelligence KEYWORDS: Bloom's: Knowledge 57. _____ . means to decompose data into more atomic components or data at lower levels of aggregation ANSWER: Drill down POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 602 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge 58. To support a(n) _____ adequately, the DBMS might be required to support advanced storage technologies, and even more importantly, to support multiple-processor technologies, such as a symmetric multiprocessor (SMP) or a massively Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses parallel processor (MPP).

ANSWER:

VLDB very large database very large database (VLDB) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 607 LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Decision Support Data KEYWORDS: Bloom's: Knowledge 59. _____ is a read-only database optimized for data analysis and query processing.

ANSWER: Data warehouse POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 608 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 60. A data _____ is a centralized, consolidated database that integrates data derived from the entire organization and from multiple sources with diverse formats.

ANSWER: warehouse POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 607 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 61. A data _____ is a small, single-subject data warehouse subset that provides decision support to a small group of people.

ANSWER: mart POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 610 LEARNING OBJECTIVES: DATA.CORO.15.LO13-4 - LO13-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Data Warehouse KEYWORDS: Bloom's: Knowledge 62. _____ are numeric measurements (values) that represent a specific business aspect or activity.

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Chapter 13: Business Intelligence and Data Warehouses ANSWER: Facts POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 611 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 63. _____ are qualifying characteristics that provide additional perspectives to a given fact.

ANSWER: Dimensions POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 611 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 64. In multidimensional terms, the ability to focus on slices of the cube to perform a more detailed analysis is known as _____.

ANSWER: slice and dice POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 613 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 65. The _____ hierarchy provides the capability to perform drill-down and roll-up searches in a data warehouse.

ANSWER: attribute POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 614 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 66. _____ makes a copy of a table and places it in a different location to improve access time.

ANSWER: Replication Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 620 LEARNING OBJECTIVES: DATA.CORO.15.LO13-5 - LO13-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 67. The most distinctive characteristic of modern OLAP tools is their capacity for _____ analysis.

ANSWER: multidimensional POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 621 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 68. To deliver efficient decision support, OLAP tools must have advanced data _____ features.

ANSWER: access POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 623 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Star Schemas KEYWORDS: Bloom's: Knowledge 69. OLAP systems are designed to use both operational and data _____ data.

ANSWER: warehouse POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 625 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 70. _____ online analytical processing provides OLAP functionality by using relational databases and familiar relational query tools to store and analyze multidimensional data.

ANSWER: Relational POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 626 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge 71. _____ is a measurement of the density of the data held in the data cube and is computed by dividing the total number of actual values in the cube by the total number of cells in the cube.

ANSWER: Sparsity POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 628 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Knowledge Essay 72. What is data visualization? Name different techniques of data visualization.

ANSWER: Data visualization is the abstracting of data to provide information in a visual format that enhances a user's ability to effectively comprehend the meaning of the data. The goal of data visualization is to allow the user to see the big picture in the most efficient way possible.

Data visualization aggregates the data into a format that provides at-a-glance insight into overall trends and patterns. Data visualization techniques, that can range from simple to very complex, include pie charts, line graphs, bar charts, scatter plots, gantt charts, and heat maps.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 596 LEARNING OBJECTIVES: DATA.CORO.15.LO13-2 - LO13-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Business Intelligence KEYWORDS: Bloom's: Comprehension 73. What is the difference between decision support data and operational data from the point of view of data analyst?

ANSWER: From a data analyst’s point of view, decision support data differ from operational data in three main areas: time span, granularity, and dimensionality.

Time span: Operational data cover a short time frame. In contrast, decision support data tend to cover a longer time frame.

Granularity (level of aggregation): Decision support data must be presented at different levels of aggregation, from highly summarized to nearly atomic.

Dimensionality: Operational data focus on representing individual transactions rather than the effects of the transactions over time. In contrast, data analysts tend to include many data dimensions and are interested in how the data relate over those dimensions.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 602-603 Copyright Cengage Learning. Powered by Cognero.

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Chapter 13: Business Intelligence and Data Warehouses LEARNING OBJECTIVES: DATA.CORO.15.LO13-3 - LO13-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Business Intelligence KEYWORDS: Bloom's: Comprehension 74. Describe the use of SQL in relation to ROLAP. ANSWER: Most decision support data requests require the use of multiple-pass SQL queries or multiple nested SQL statements. To answer this criticism, ROLAP extends SQL so that it can differentiate between access requirements for data warehouse data (based on the star schema) and operational data (normalized tables). A ROLAP system therefore can generate the SQL code required to access the star schema data. Query performance is also improved because the query optimizer is modified to identify the SQL code’s intended query targets. For example, if the query target is the data warehouse, the optimizer passes the requests to the data warehouse. However, if the end user performs drill-down queries against operational data, the query optimizer identifies that operation and properly optimizes the SQL requests before passing them to the operational DBMS. POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 626-627 LEARNING OBJECTIVES: DATA.CORO.15.LO13-7 - LO13-7 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Comprehension 75. What is the ROLLUP extension to the GROUP BY clause? Provide the syntax for this extension.

ANSWER: The ROLLUP extension is used with the GROUP BY clause to generate aggregates by different dimensions. As you know, the GROUP BY clause will generate only one aggregate for each new value combination of attributes listed in the GROUP BY clause. The ROLLUP extension goes one step further; it enables you to get a subtotal for each column listed except for the last one, which gets a grand total instead. The syntax of the GROUP BY ROLLUP command sequence is as follows: SELECT column1 [, column2, ...], aggregate_function(expression) FROM table1 [, table2, …]

[WHERE condition] GROUP BY ROLLUP (column1 [, column2, ...])

[HAVING condition] [ORDER BY column1 [, column2, …]]

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 630 LEARNING OBJECTIVES: DATA.CORO.15.LO13-8 - LO13-8 NATIONAL STANDARDS: United States - BUSPROG: Analytic - BUSPROG: Analytic skills: Statistics and Management Science TOPICS: Online Analytical Processing KEYWORDS: Bloom's: Comprehension

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Chapter 14: Big Data Analytics and NoSQL 1. Much ambiguity exists in defining Big Data.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: p.649 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 2. For a data set to be considered Big Data, it must display all the “3 Vs” – volume, velocity and variety.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p.650 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 3. Scaling out is keeping the same number of systems, but migrating each system to a larger one.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p.651 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 4. In many ways, the issues associated with volume and velocity are the same.

a. True b. False ANSWER: POINTS: DIFFICULTY: REFERENCES:

True 1 Moderate p.652

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Chapter 14: Big Data Analytics and NoSQL LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Big Data KEYWORDS: Bloom's: Comprehension 5. The analysis of data to produce actionable results is feedback loop processing.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: p.653 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 6. Relational databases rely on unstructured data.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.653 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Big Data KEYWORDS: Bloom's: Comprehension 7. One tenet of Big Data is that all data that is capable of being captured should be.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.654 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Big Data KEYWORDS: Bloom's: Comprehension 8. The ability to graphically data in a way that makes it understandable is the concept of value.

a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p.654 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 9. Characteristics that are important in working with data in the relational database model also apply to Big Data.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.655 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Big Data KEYWORDS: Bloom's: Comprehension 10. Hadoop is a database that has become the de facto standard for most Big Data storage and processing.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p.655 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 11. Under the HDFS system, using a write-one, ready-many model simplifies concurrency issues.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: p.656 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL TOPICS: KEYWORDS:

Hadoop Bloom's: Knowledge

12. A block report is used to let the name node know that the data mode is still available.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p.657 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 13. A reduce function takes a collection of key-value pairs with the same key value and summarizes them into a single result.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: p.658 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 14. Hive is a good choice for jobs that require a small subset of data to be returned very quickly.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p.660 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 15. Hadoop is a high-level tool that requires little effort to create, manage and use.

a. True b. False Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p.660 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 16. Flume is a tool for converting data back and forth between a relational database and the HDFS.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Easy REFERENCES: p.661 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 17. Most NoSQL products run only in a Linux or Unix environment.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: p.662 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 18. Key-value and document databases are structurally similar.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: p.663-664 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL KEYWORDS:

Bloom's: Knowledge

19. A column-family database is a NoSQL database model that organizes data in key-value pairs with keys mapped to a set of columns in the value component.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: p.666 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 20. Interest in graph databases can be tied to the area of social networks.

a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Easy REFERENCES: p.668 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 21. Explanatory analytics uses predictive analytics as a stepping stone to create explanatory models.

a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.670 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Comprehension 22. Data mining focuses on the discovery and explanation stages of knowledge acquisition.

a. True b. False ANSWER: POINTS:

True 1

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Chapter 14: Big Data Analytics and NoSQL DIFFICULTY: Easy REFERENCES: p.671 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Knowledge 23. _____ is NOT one of the "3 Vs" of Big Data. a. Volume b. Velocity

c. Validation

d. Variety

ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: p.649 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 24. _______ is keeping the same number of systems, but migrating each system to a larger system. a. Clustering b. Scaling up

c. Streaming

d. Scaling out

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.651 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 25. ______ focuses on filtering data as it enters the system to determine which data to keep and which to discard. a. Scaling up b. Feedback loop processing

c. Stream processing

d. Scaling out

ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: p.652 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 26. A(n) ______ is a process or set of operations in a calculation.

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Chapter 14: Big Data Analytics and NoSQL a. algorithm c. stream

b. feedback loop d. structure

ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: p.653 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 27. Big Data a. relies on the use of structured data

c. relies on the use of unstructured data

b. captures data in whatever format it naturally exists d. imposes a structure on data when it is captured

ANSWER: b POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.654 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Big Data KEYWORDS: Bloom's: Comprehension 28. In the context of Big Data, _____ relates to differences in meaning. a. variety b. variability

c. veracity

d. viability

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.654 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 29. In the context of Big Data, _____ refers to the trustworthiness of a set of data. a. value b. variability

c. veracity

d. viability

ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: p.654 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 30. By default, Hadoop uses a replication factor of: a. one b. two

c. three

d. four

ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: p.656 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 31. Which of the following is NOT a key assumption of the Hadoop Distributed File System? a. High volume b. Write many, read-once

c. Streaming access

d. Fault-tolerance

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.655-656 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 32. When using a HDFS, the _____ node creates new files by communicating with the ____ node. a. client, name b. name, client

c. client, data

d. data, client

ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: p.657 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 33. When using a HDFS, a heartbeat is sent every _____ to notify the name node that the data mode is still available. a. 3 hours b. 3 seconds

c. 6 hours ANSWER:

d. 6 seconds b

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Chapter 14: Big Data Analytics and NoSQL POINTS: 1 DIFFICULTY: Easy REFERENCES: p.657 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 34. When using MapReduce, a _______ function takes a collection and data and sorts and filters it into a set of key-value pairs. a. reduce b. map

c. data

d. block

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.658 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 35. When using MapReduce, best practices suggest that the number of mappers on a given node should be: a. 100 or more b. 100 or less

c. 50 or less

d. at least 300

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.659 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 36. ________ processing occurs when a program runs from beginning to end without any user interaction. a. Hadoop b. Block

c. Hive

d. Batch

ANSWER: d POINTS: 1 DIFFICULTY: Easy REFERENCES: p.660 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL 37. Two of the most popular applications to simplify the process of creating MapReduce jobs are Hive and a. Flume b. Pig

c. Sqoop

d. Impala

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.660 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 38. ______ is a tool for converting data back and forth between a relational database and the HDFS. a. Flume b. Pig

c. Sqoop

d. Impala

ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: p.661 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 39. ______ was the first SQL-on Hadoop application. a. Flume b. Pig

c. Sqoop

d. Impala

ANSWER: d POINTS: 1 DIFFICULTY: Easy REFERENCES: p.662 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 40. Which of the following is NOT one of the standard NoSQL categories? a. document databases b. column-oriented databases

c. graph databases ANSWER: POINTS: DIFFICULTY: REFERENCES:

d. chart databases d 1 Easy p.662

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Chapter 14: Big Data Analytics and NoSQL LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 41. To query the value component of the pair when using a key-value database, use get or: a. store b. fetch

c. retrieve

d. gather

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.663 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 42. Document databases group documents into logical groups called: a. buckets b. sets

c. collections

d. blocks

ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: p.664 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 43. ______ minimizes the number of disk reads necessary to retrieve a row of data. a. Column-oriented database b. Row-centric storage

c. Column-family database

d. Column-centric storage

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.665 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 44. Modeling and storing data about relationships is the focus of: a. key-value databases b. column-oriented databases

c. document databases

d. graph databases

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Chapter 14: Big Data Analytics and NoSQL ANSWER: d POINTS: 1 DIFFICULTY: Easy REFERENCES: p.668 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 45. ______ uses statistical analysis to answer questions about the how and why of relationships. a. Explanatory analytics b. Data mining

c. Predictive analytics

d. Knowledge acquisition

ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: p.670 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Knowledge 46. ______ uses statistical tools to answer questions about future data occurrences. a. Explanatory analytics b. Data mining

c. Predictive analytics

d. Knowledge acquisition

ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: p.670 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Knowledge 47. The goal of the _____ phase of data mining is to identify common data characteristics or patterns.

a. data preparation c. knowledge acquisition

b. data analysis and classification d. prognosis

ANSWER: b POINTS: 1 DIFFICULTY: Easy REFERENCES: p.672 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL TOPICS: KEYWORDS:

Data Analytics Bloom's: Knowledge

48. The end user decides what techniques to apply to the data when using the _____ mode of data mining. a. guided b. prognosis

c. directed

d. automated

ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: p.673 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Knowledge 49. Most BI vendors are dropping the term “data mining” and replacing it with the term: a. explanatory analytics b. data analytics

c. predictive analytics

d. knowledge acquisition

ANSWER: c POINTS: 1 DIFFICULTY: Easy REFERENCES: p.674 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Knowledge 50. ______ is the Big Data “3 V” that relates to the speed at which data is entering the system.

ANSWER: Velocity POINTS: 1 DIFFICULTY: Easy REFERENCES: p.649 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 51. Scaling out is also referred to as _______.

ANSWER: clustering POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.649 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL TOPICS: KEYWORDS:

Big Data Bloom's: Comprehension

52. _______ refers to the analysis of the data to produce actionable results.

ANSWER: Feedback loop processing POINTS: 1 DIFFICULTY: Easy REFERENCES: p.653 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 53. A method of text analysis that attempts to determine if a statement conveys a positive, negative, or neutral attitude is referred to as ______ analysis.

ANSWER: sentimental POINTS: 1 DIFFICULTY: Easy REFERENCES: p.654 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 54. ______ is the coexistence of a variety of data storage and data management technologies within an organization’s infrastructure.

ANSWER: Polyglot persistence POINTS: 1 DIFFICULTY: Easy REFERENCES: p.655 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Big Data KEYWORDS: Bloom's: Knowledge 55. Within MapReduce, a _____ runs maps and reduces functions.

ANSWER: task tracker POINTS: 1 DIFFICULTY: Easy REFERENCES: p.659 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL 56. Most organizations that use Hadoop also use a set of other related products that interact and complement each other to produce an entire _____ of applications and tools.

ANSWER: ecosystem POINTS: 1 DIFFICULTY: Easy REFERENCES: p.660 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 57. _______ languages allow the user to specify what they want, not how to get it which is very useful for query processing.

ANSWER: Declarative POINTS: 1 DIFFICULTY: Easy REFERENCES: p.661 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 58. Within Hadoop, is used for producing data pipeline tasks that transform data in a series of steps.

ANSWER: Pig POINTS: 1 DIFFICULTY: Easy REFERENCES: p.661 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 59. Within Hadoop, can transfer data in both directions - into and out of HDFS. ANSWER: Sqoop POINTS: 1 DIFFICULTY: Easy REFERENCES: p.661 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Knowledge 60. _____ databases simply store data with no attempt to understand the contents of the value component or its meaning.

ANSWER: Key-value KV Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL POINTS: 1 DIFFICULTY: Easy REFERENCES: p.663 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 61. _______ is a human-readable text format for data interchange that defines attributes and values in a document.

ANSWER: JavaScript Object Notation JSON POINTS: 1 DIFFICULTY: Easy REFERENCES: p.664 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 62. ______ do not store relationships as perceived in the relational model and generally have no support for join operations.

ANSWER: Document databases POINTS: 1 DIFFICULTY: Easy REFERENCES: p.665 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 63. ______ refers to traditional, relational database technologies that use column-centric, not row-centric storage.

ANSWER: Column-oriented database Columnar database POINTS: 1 DIFFICULTY: Easy REFERENCES: p.665 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 64. In a column family database, a column that is composed of a group of other related columns is called a(n) _______.

ANSWER: super column POINTS: 1 DIFFICULTY: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL REFERENCES: p.667 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 65. In a graph database, the representation of a relationship between nodes is called a(n) ______.

ANSWER: edge POINTS: 1 DIFFICULTY: Easy REFERENCES: p.668 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 66. A query in a graph database is called a(n) _____.

ANSWER: traversal POINTS: 1 DIFFICULTY: Easy REFERENCES: p.668 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 67. A database model that attempts to provide ACID-compliant transactions across a highly distributed infrastructure is _____.

ANSWER: NewSQL POINTS: 1 DIFFICULTY: Easy REFERENCES: p.669 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Knowledge 68. ______ is a continuous spectrum of knowledge acquisition that goes from discovery to explanation to prediction.

ANSWER: Data analytics POINTS: 1 DIFFICULTY: Easy REFERENCES: p.670 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL TOPICS: KEYWORDS:

Data Analytics Bloom's: Knowledge

69. In the ______ phase of data mining, findings are used to predict future behavior and forecast business outcomes.

ANSWER: prognosis POINTS: 1 DIFFICULTY: Easy REFERENCES: p.672 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Knowledge 70. The origins of ______ can be traced back to the banking and credit card industries.

ANSWER: predictive analysis POINTS: 1 DIFFICULTY: Easy REFERENCES: p.674 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Knowledge 71. Discuss the “3 Vs” of Big Data. How has the definition of Big Data regarding these items changed over time?

ANSWER: The three V’s are Volume, Velocity and Variety Volume is the quantity of data to be stored and a key characteristic of Big Data. The storage capacities associated with Big Data are very large. As storage needs increase, they can be handled by scaling up or scaling out. Scaling up is keeping the same number of systems but migrating each to a larger system. Scaling out involves distributing data storage structures across a cluster of commodity servers.

Velocity is the speed at which data enters the system and is another key characteristic. In many ways, the issues of velocity mirror those of volume. The velocity of processing can be broken down into two categories: stream and feedback loop.

Variety refers to the vast array of formats and structures in which the data may be captured.

Big Data requires that the data be captured in whatever format it naturally exists.

The lack of specific values associated with these characteristics is what leads to ambiguity in defining Big Data. What is considered Big Data changes over time, but the key is the characteristics are present to an extent that the current relational database technology struggles with managing the data.

POINTS:

There is also some disagreement about which of the 3 Vs must be present for a data set to be considered Big Data. Originally it was conceived as a combination of the 3 Vs. Recent changes in technology have led to Big Data being redefined as involving any, but not necessarily all of the 3 Vs. 1

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Chapter 14: Big Data Analytics and NoSQL DIFFICULTY: Moderate REFERENCES: p.649-654 LEARNING OBJECTIVES: DATA.CORO.15.LO14-1 - LO 14-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Big Data KEYWORDS: Bloom's: Comprehension 72. Define the four key assumptions of the Hadoop Distributed File System (HDFS).

ANSWER: High volume: The volume of data in Big Data applications is expected to be in terabytes, petabytes or larger. Hadoop assumes HDFS files will be extremely large Write-once, ready-many: This model simplifies concurrent issues and improves overall data throughput. Using this model, a file is created, written to the file system and then closed.

Once the file is closed, changes cannot be made to its contents which improves overall system performance and works well for the types of tasks performed by many Big Data applications.

Streaming access: Unlike transaction processing systems, Big Data applications typically process entire files. Hadoop is optimized for batch processing of entire files as continuous streams of data.

Fault tolerance: Hadoop is designed to be distributed across thousands of low-cost, commodity computers. The HDFS is designed to replicate data across many devices so that, when one fails, the data is still available from another device. By default, Hadoop uses a replication factor of three, meaning that each block of data is stored on three devices.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.655-656 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Comprehension 73. Discuss the need for a Hadoop ecosystem and identify the key components.

ANSWER: Because Hadoop is a very low-level tool requiring considerable effort to create, manage, and use, it presents quite a few obstacles. This has resulted in a host of related applications that attempt to make Hadoop easier to use and more accessible to users who are not skilled at complex Java programming. Most organizations that use Hadoop also use a set of other related products that interact and complement each other to produce an entire ecosystem of applications and tools.

MapReduce simplification applications have been developed to simplify the process of creating MapReduce jobs. Two of the most popular are Hive and Pig. Data ingestion applications help to “ingest” or gather data into Hadoop from existing systems and include Flume. Sqoop is a tool for converting data back and forth between a relational database and HDFS.

POINTS:

Direct query applications attempt to provide faster query access than is possible through MapReduce and include HBase and Impala.

1

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Chapter 14: Big Data Analytics and NoSQL DIFFICULTY: Moderate REFERENCES: p.660-662 LEARNING OBJECTIVES: DATA.CORO.15.LO14-2 - LO 14-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Hadoop KEYWORDS: Bloom's: Comprehension 74. What is NoSQL and what are the major NoSQL approaches (categories)?

ANSWER: NoSQL is the unfortunate name given to a broad array of nonrelational database technologies that have developed to address Big Data challenges. The name is unfortunate because it does not describe what the NoSQL technologies are, but rather what they are not. Even that explanation is poor. Literally hundreds of products can be considered as NoSQL. Most of them fit into one of four categories: key-value data stores, document databases, columnoriented databases and graph databases.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.662 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Comprehension 75. Discuss NewSQL and what it attempts to do.

ANSWER: NewSQL is a database model that attempts to provide ACID-compliant transactions across a highly distributed infrastructure and are the latest technologies to appear to appear in the data management arena to address Big Data problems. As a new category of data management products, NewSQL databases have not yet developed a track record of success and have been adopted by relatively few organizations.

Because no technology can perfectly provide the advantages of both RDBMS and NoSQL, NewSQL has disadvantages, principally centered around its heavy use of in-memory storage.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.669-670 LEARNING OBJECTIVES: DATA.CORO.15.LO14-3 - LO 14-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: NoSQL KEYWORDS: Bloom's: Comprehension 76. Explain the concept of data analytics. What are the various tools of data analytics?

ANSWER: Data analytics is a subset of business intelligence (BI) functionality that encompasses a wide range of mathematical, statistical, and modeling techniques with the purpose of extracting knowledge from data. Data analytics is used at all levels within the BI framework, including queries and reporting, monitoring and alerting, and data visualization. Hence, data analytics is a “shared” service that is crucial to what BI adds to an organization. Data analytics represents what business managers really want from BI: the ability to extract actionable business insight from current events and foresee future problems or opportunities. Data analytics tools can be grouped into two separate (but closely related and often overlapping) Copyright Cengage Learning. Powered by Cognero.

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Chapter 14: Big Data Analytics and NoSQL areas:





Explanatory analytics focuses on discovering and explaining data characteristics and relationships based on existing data. Explanatory analytics uses statistical tools to formulate hypotheses, test them, and answer the how and why of such relationships.

Predictive analytics focuses on predicting future data outcomes with a high degree of accuracy. Predictive analytics uses sophisticated statistical tools to help the end user create advanced models that answer questions about future data occurrences.

POINTS: 1 DIFFICULTY: Moderate REFERENCES: p.670-671 LEARNING OBJECTIVES: DATA.CORO.15.LO14-4 - LO 14-4 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Data Analytics KEYWORDS: Bloom's: Comprehension

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Chapter 15: Database Connectivity and Web Technologies 1. Database connectivity software is also known as database middleware because it interfaces between the application program and the database. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 681 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 2. A good API makes it easy to develop a program by providing all of the building blocks. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 683 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 3. Among the three levels of compliance of the ODBC API standards, Level-1 provides support for procedural SQL and cursors. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 683 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 4. Having a web-based database interface eliminates the design and implementation issues of a database system. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 685 Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 5. Whether you purchase online or by standing in line, the system-level transaction details are essentially the same, and they require the same basic database structures and relationships. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 692 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 6. The effects of bad database design, implementation, and management are magnified in an environment in which the number of transactions is less than one hundred. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 692 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 7. The benefits of the web as a data access platform arise from its cross-platform functionality and the simplicity of its interface. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 693 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 8. When an end user uses a web browser to dynamically query a database, the client browser actually requests a web page Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies from the web server. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 693 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 9. In the database query scenario, the web server generates the webpage contents before it sends the page to the client web browser. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 693 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 10. Extending the web server functionality implies that the web server and the web-to-database middleware will properly communicate with each other. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 693 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 11. The Common Gateway Interface (CGI) is a newer web server interface standard that is much more efficient and faster than a dynamic link library (DLL). a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies REFERENCES: p. 695 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 12. An application programming interface (API) uses script files that perform specific functions based on the client’s parameters that are passed to the web server. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 695 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 13. The browser’s interpretation and presentation capabilities are sufficient to develop web-based applications. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 14. The label “stateless system” indicates that, at any given time, there is an open communication line between the server and each client accessing it. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 15. The only time the client and server computers communicate is when the client requests a page and the server sends the Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies requested page to the client. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 16. The use of HTML does not equip a web browser with computational abilities beyond formatting output text and accepting form field inputs. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 17. A plug-in is an external application that is automatically invoked by a web browser when needed. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 18. A client-side extension is a program that interacts directly with the web server to handle specific types of requests. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 697 Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 19. A document type definition (DTD) can be referenced by many Extensible Markup Language (XML) documents of the same type. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 702 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Comprehension 20. HTML is designed to facilitate the extraction and manipulation of data from structured documents over the Internet. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 703 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 21. The first line of an XML document represents the document declaration, and it is mandatory. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 703 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 22. In a document type definition (DTD) file, a plus (+) symbol beside an element indicates that it is an optional child element within its parent. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 704 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 23. Cloud services allow any organization to quickly and economically add information technology services to its IT portfolio. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 710 LEARNING OBJECTIVES: DATA.CORO.15.LO15-4 - LO15-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Cloud Computing Services KEYWORDS: Bloom's: Knowledge 24. The initial costs of using cloud services tend to be significantly higher than building on-premise IT infrastructures. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 712 LEARNING OBJECTIVES: DATA.CORO.15.LO15-4 - LO15-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Cloud Computing Services KEYWORDS: Bloom's: Knowledge 25. _____ is a collection of technologies used to access any type of data source and manage the data through a common interface. a. DAO b. UDA c. ODBC d. OLE-DB ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 682 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 26. ODBC works on the _____ operating system. a. Kronos b. UNIX c. Windows d. Mac ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 683 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 27. _____ is a higher-level, object-oriented application interface used to access remote database servers. a. UDA b. ODBC c. DAO d. RDO ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 683 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 28. In the ODBC architecture, a(n) _____ is in charge of managing all database connections. a. ODBC API b. DLL c. ODBC driver d. driver manager ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 683 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 29. The ODBC API standard defines three levels of compliance: _____, Level-1, and Level-2, which provide increasing levels of functionality. a. Elementary b. Basic c. Core d. Level-0 ANSWER: c Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 685 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 30. Based on Microsoft’s Component Object Model (COM), _____ is database middleware that adds object-oriented functionality for access to relational and nonrelational data. a. MS-DB b. OLE-DB c. COM-DB d. ODBC ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 685 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 31. In the ADO.NET framework, the _____ object contains the actual SQL code or a stored procedure call to be run by the database. a. Command b. DataReader c. DataAdapter d. DataSet ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 690 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 32. In the ADO.NET framework, the _____ object is the in-memory representation of the data in the database. a. Command b. DataReader c. DataAdapter d. DataSet ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 690 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies KEYWORDS:

Bloom's: Knowledge

33. The _____ is the most specialized object in the ADO.NET framework. a. Command b. DataReader c. DataAdapter d. DataSet ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 690 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 34. _____ is an object-oriented programming language developed by Sun Microsystems that runs on top of web browser software. a. Visual Basic b. Java c. JavaScript d. VBScript ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 691 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 35. One of the advantages of _____ over other middleware is that it requires no configuration on the client side. a. ODBC b. JDBC c. OLE-DB d. ADO.NET ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 692 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 36. Which of the following is the first step in the exchange between a web browser and a database? a. The HTML output is displayed on the client computer’s web browser. b. The middleware receives the query result and creates the HTML-formatted page. c. The client’s web browser requests a page from a web server.

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Chapter 15: Database Connectivity and Web Technologies d. The web-to-database middleware uses ODBC to connect to the database.

ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 693 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 37. Another name for a database server-side extension program is _____. a. a web server b. a web application middleware c. web-to-database middleware d. a database application server ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 694 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 38. Which of the following is a well-defined web-server interface? a. Common Gateway Interface b. Tiny Internet Interface c. Windows NT d. Command Line Interface ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 695 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 39. The main disadvantage of using CGI scripts is that: a. they cause a resource bottleneck since they have to b. they are specific to the web server and to the execute separately for each user request. operating system, thus being platform dependent. c. an error in one script can damage and bring down d. they do not have the capability to process forms or the web server completely. prepare outputs based on form data.

ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 695 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 40. A(n) _____ can use a shared connection to the database instead of creating a new one every time. a. DLL b. API c. web browser d. HTTP GET request ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 695 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 41. What is a disadvantage of using an API web-server interface? a. It is slower than CGI scripts. b. It is inefficient because it uses DLLs. c. An external program needs to run for each user request. d. An API error can bring down the entire web server.

ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 695 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 42. Each time an end user clicks a hyperlink, the browser generates a(n) _____ page request that is sent to the designated web server using the TCP/IP Internet protocol. a. HTML b. XML c. HTTP GET d. API ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 696 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 43. The web browser’s job is to interpret the HTML code that it receives from a web server and to: a. develop web-based applications. b. display it in a standard formatted way.

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Chapter 15: Database Connectivity and Web Technologies c. perform immediate data entry validation. d. extract details, such as order data, from it.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 696 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 44. You must use plug-ins and other client-side extensions: a. to create an open communication line between a b. to eliminate the need for running external programs server and its clients. for each client request. c. to improve processing capabilities of a browser. d. to create dynamic web search pages.

ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 45. Which of the following is a client-side extension? a. ActiveX b. ODBC c. SQL*Net d. TCP/IP ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 46. Among client-side extensions, _____ is a Microsoft specification for writing programs that run inside the Internet Explorer browser. a. COBOL b. ActiveX c. JavaScript d. Visor.Net ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 47. _____ is a scripting language that allows web authors to design interactive sites. a. Visual Basic b. HTML c. JavaScript d. Java ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 48. Which of the following is true of a web application server? a. It is Microsoft’s implementation of a superset of the SQL Access Group CLI standard for database access. b. It is automatically invoked by the browser when needed. c. It runs on the client machine, freeing server resources. d. It provides security and authentication of users through user IDs and passwords.

ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 698 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 49. _____ code is embedded inside an HTML page and is activated by triggering events such as clicking on a link. a. XML b. SQL c. Visual Basic d. VBScript ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 698 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 50. _____ is a web application server that provides the ability to connect web servers to multiple data sources. a. MS Access b. ColdFusion/JRun Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies c. FoxPro d. dBase ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 698 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 51. Which of the following is a characteristic of the XML metalanguage? a. It is concerned with the way data are displayed. c. You can use the // symbol for entering a comment in the XML document.

ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 702 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge

b. It allows the definition of new tags. d. It can be used as a replacement of HTML.

52. Every XML document has a _____. a. root element b. base tag c. schema d. DTD ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 703 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 53. A(n) _____ file provides the composition of the database’s logical model and defines the syntax rules for an XML document. a. XMLD b. XHTML c. DTD d. meta ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 704 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 54. The _____ is an advanced data definition language that is used to describe the structure of XML data documents. a. XHTML b. HTML schema c. DTD d. XML schema ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 705 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 55. Using _____, you can extract data from an XML document and convert it into a text file. a. XMLD b. XSLT c. DTD d. XML schema ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 706 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 56. ______ is a computing model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computer resources that be rapidly provisioned and released with minimal management effort or service provider interaction. a. Cloud computing b. OBDC c. SQL data services d. database middleware ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 709-710 LEARNING OBJECTIVES: DATA.CORO.15.LO15-4 - LO15-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Cloud Computing Services KEYWORDS: Bloom's: Knowledge 57. _____ cloud is a type of cloud infrastructure that is built by a third-party organization to sell cloud services to the general public. a. Community b. Public Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies c. Exclusive d. Private ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 712 LEARNING OBJECTIVES: DATA.CORO.15.LO15-4 - LO15-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Cloud Computing Services KEYWORDS: Bloom's: Knowledge 58. In the____ category, the cloud service provider offers the capability to build and deploy consumer-created applications using the provider's cloud infrastructure. a. Application as a Server (AaaS) b. Infrastructure as a (IaaS) c. Software as a Service (SaaS) d. Platform as a Service (PaaS) ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 713 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Cloud Computing Services KEYWORDS: Bloom's: Knowledge 59. ODBC, OLE-DB, and ADO.NET form the backbone of the _____ architecture.

ANSWER: UDA Universal Data Access (UDA) Universal Data Access POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 682 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 60. Open Database Connectivity (ODBC), a superset of the SQL Access Group Call Level Interface (CLI), is implemented by _____.

ANSWER: Microsoft POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 683 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies TOPICS: KEYWORDS:

Database Connectivity Bloom's: Knowledge

61. A(n) _____ is a unique name by which the data source will be known to ODBC, and therefore, to applications.

ANSWER: DSN data source name data source name (DSN) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 684 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 62. In the context of OLE-DB, a _____ is an object (application or process) that requests and uses data.

ANSWER: consumer POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 685 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 63. In the OLE-DB model, the _____ acts like a data consumer of the data provider and as a data provider for the data consumer (end-user application).

ANSWER: service provider POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 686 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 64. A(n) _____ is a program written in a programming language that is not compiled, but is interpreted and executed at run time.

ANSWER: script POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 687 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies KEYWORDS:

Bloom's: Knowledge

65. _____ provides a unified interface to access data from any programming language that uses the underlying OLE-DB objects.

ANSWER: ActiveX Data Objects ADO ActiveX Data Objects (ADO) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 687 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 66. The Microsoft _____ framework is a component-based platform for developing distributed, heterogeneous, interoperable applications aimed at manipulating any type of data over any network under any operating system and any programming language.

ANSWER: .NET POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 687 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 67. _____ is an application programming interface that allows a Java program to interact with a wide range of data sources (relational databases, tabular data sources, spreadsheets, and text files).

ANSWER: Java Database Connectivity JDBC Java Database Connectivity (JDBC) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 691 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Knowledge 68. _____ webpages are at the heart of current generation websites.

ANSWER: Dynamic POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 693 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 69. APIs are faster than _____ scripts because the code resides in memory and there is no need to run an external program for each request.

ANSWER: CGI Common Gateway Interface Common Gateway Interface (CGI) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 695 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Comprehension 70. Regardless of the type of web server interface used, a web-to-database _____ program must be able to connect with a database.

ANSWER: middleware POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 696 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 71. A web _____ server is a middleware application that expands the functionality of web servers by linking them to a wide range of services.

ANSWER: application POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 698 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 72. To prevent the server from performing all data validation, _____ data input validation is one of the most basic requirements for web applications.

ANSWER: client-side client side clientside POINTS: 1 DIFFICULTY: Difficulty: Moderate Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies REFERENCES: p. 698 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Knowledge 73. _____, or transactions done over the Internet, enables all types of organizations to sell products and services to a global market.

ANSWER: E-commerce POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 702 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 74. XML is derived from the _____, an international standard for the publication and distribution of highly complex technical documents.

ANSWER: Standard Generalized Markup Language SGML Standard Generalized Markup Language (SGML) POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 702 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 75. XML tags must be well formed, that is, each opening tag must have a corresponding _____ tag.

ANSWER: closing POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 703 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 76. A(n) _____ provides limited additional semantic value to XML, such as data type support or data validation rules.

ANSWER: DTD document type definition document type definition (DTD) POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies REFERENCES: p. 705 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 77. A DBMS that supports _____ exchanges can integrate with external systems such as the web, mobile data, and legacy systems, thus enabling the creation of new types of systems.

ANSWER: XML POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 708-709 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 78. XML is used to create _______ vocabularies for entire industries.

ANSWER: metadictionaries POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 709 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Extensible Markup Language (XML) KEYWORDS: Bloom's: Knowledge 79. ________ refer to a cloud computing-base data management service that provides relational data storage, access, and management to companies of all sizes without the typical high costs of in house hardware, software, infrastructure, and personnel.

ANSWER: SQL data services (SDS) SQL data services SDS POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 716 LEARNING OBJECTIVES: DATA.CORO.15.LO15-3 - LO15-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Cloud Computing Services KEYWORDS: Bloom's: Knowledge 80. What are the components in the basic ODBC architecture?

ANSWER: The basic ODBC architecture has three main components: a high-level ODBC API through which application programs access ODBC functionality, a driver manager that is in charge of managing all database connections, and an ODBC driver that communicates directly to the DBMS. Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 683 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Comprehension 81. What are the main types of objects in the OLE-DB model? Explain.

ANSWER: The functionality of OLE-DB model is divided into two types of objects: consumers and providers.

1. Consumers are objects (applications or processes) that request and use data.

Consumers request data by invoking the methods exposed by the data provider objects (public interface) and passing the required parameters.

2. Providers are objects that manage the connection with a data source and provide data to the consumers. Providers are divided into two categories: data providers and service providers.  

Data providers provide data to other processes. Database vendors create data provider objects that expose the functionality of the underlying data source (relational, object-oriented, text, and so on).

Service providers provide additional functionality to consumers. The service provider is located between the data provider and the consumer. The service provider requests data from the data provider, transforms the data, and then provides the transformed data to the data consumer. In other words, the service provider acts like a data consumer of the data provider and as a data provider for the data consumer (end-user application). For example, a service provider could offer cursor management services, transaction management services, query processing services, and indexing services.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 685-686 LEARNING OBJECTIVES: DATA.CORO.15.LO15-1 - LO15-1 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Connectivity KEYWORDS: Bloom's: Comprehension 82. What is a server-side extension? Explain.

ANSWER: A server-side extension is a program that interacts directly with the web server to handle specific types of requests. A server-side extension program retrieves the data from databases and passes the retrieved data to the web server, which in turn sends the data to the client’s browser for display. A server-side extension makes it possible to retrieve and present the query results, but more importantly, it provides its services to the web server in a way that is totally transparent to the client browser. In short, the server-side extension adds significant functionality to the Web server, and therefore to the Internet.

POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 15: Database Connectivity and Web Technologies DIFFICULTY: Difficulty: Moderate REFERENCES: p. 693 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Comprehension 83. What is JavaScript? How does it work?

ANSWER: JavaScript is a scripting language (one that enables the execution of a series of commands or macros) that allows web authors to design interactive sites. JavaScript code is embedded in the web page and executed after a specific event, such as a mouse click on an object or a page being loaded from the server into memory.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: 697 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Comprehension 84. Explain the features provided by web application servers.

ANSWER: Web application servers provide features such as: - An integrated development environment with session management and support for persistent application variables.

- Security and authentication of users through user IDs and passwords.

- Computational languages to represent and store business logic in the application server.

- Automatic generation of HTML pages integrated with Java, JavaScript, VBScript, ASP, and so on.

- Performance and fault-tolerant features.

- Database access with transaction management capabilities.

- Access to multiple services, such as file transfers (FTP), database connectivity, e-mail, and directory services.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 698 LEARNING OBJECTIVES: DATA.CORO.15.LO15-2 - LO15-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Database Internet Connectivity KEYWORDS: Bloom's: Comprehension

Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security 1. The DBMS must provide tools that give each level of management a useful view of the data and support the required level of decision-making. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.724 LEARNING OBJECTIVES: DATA.CORO.15.LO16-2 - LO16-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Need for a Database and its Role in an Organization KEYWORDS: Bloom's: Knowledge 2. An enterprise database can be defined as the company's data representation that provides support for all present and expected future operations. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.725 LEARNING OBJECTIVES: DATA.CORO.15.LO16-2 - LO16-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Need for a Database and its Role in an Organization KEYWORDS: Bloom's: Knowledge 3. Having a computerized DBMS guarantees that the data will be properly used to provide the best solutions required by managers. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p.725 LEARNING OBJECTIVES: DATA.CORO.15.LO16-3 - LO16-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction of a Database: Special Considerations KEYWORDS: Bloom's: Knowledge 4. The introduction of a DBMS represents a big change and challenge, and is likely to have a profound impact throughout the organization. a. True b. False ANSWER: True POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security DIFFICULTY: Difficulty: Easy REFERENCES: p.725 LEARNING OBJECTIVES: DATA.CORO.15.LO16-3 - LO16-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction of a Database: Special Considerations KEYWORDS: Bloom's: Knowledge 5. When an organization employs both a DA and a DBA, the DA's job has a technical organization, whereas the DBA's job has a managerial orientation. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 730 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 6. The DBA interacts with the end user by providing data and information support services to the organization’s departments. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 733 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 7. In the context of database administration, standards are written instructions that describe a series of steps to be followed during the performance of a given activity. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 734 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security 8. The security, privacy, and integrity of data in a database are of minimal concern to DBAs who manage current DBMS installations. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 735 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 9. Disaster management includes all the end-user activities designed to secure data availability before a physical disaster or a database integrity failure. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 735 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 10. A full backup, or database dump, produces a complete copy of the entire database. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 736 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 11. Incremental backups produce a backup of all data. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 736 Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 12. Concurrent backups take place while the user is working on the database. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 736 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 13. Backups must be clearly identified through detailed descriptions and date information, assuring that the correct backup is used to recover the database. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 736 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Comprehension 14. The storage locations for multiple backups must include sites inside and outside the organization. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p.736 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 15. The DBA or security officer must secure an insurance policy to provide financial protection in the event of a database failure. a. True Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 736 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 16. The DBA is responsible for ensuring that the data are distributed to the right persons, at the right time, and in the right format. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 736 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 17. The DBA must supervise the installation of all software and hardware designated to support the data administration strategy. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 740 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 18. The DBA function provides data modeling and design services to the end-user community, often through coordination with an application development group within the data-processing department. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 740 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Comprehension 19. Testing procedures and standards must already be in place before any application program can be approved for use in the company. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 741 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Comprehension 20. System support activities cover all tasks directly related to the day-to-day operations of a DBMS and its applications. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 741 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 21. Training people to use the DBMS and its tools is not included in the responsibilities of a DBA. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 743 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 22. The maintenance activities of the DBA are an extension of the operational activities. a. True b. False ANSWER: True Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 743 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Comprehension 23. A security breach is a weakness in a system component that could be exploited to allow unauthorized access or cause service disruptions. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 745 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 24. Security breaches can yield a database whose integrity is either preserved or corrupted. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 745 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 25. In the context of database security measures, enforcing complex password policies will address the security vulnerabilities of the operating system component. a. True b. False ANSWER: False POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 746 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Security Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security KEYWORDS:

Bloom's: Comprehension

26. Protecting the security and integrity of a database is a function of authorization management. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 747 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 27. When performing user access management, a DBA assigns passwords to each user at both the operating system and DBMS levels. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 747 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 28. The DBA can use an audit log to automatically record a brief description of the database operations performed by the users. a. True b. False ANSWER: True POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 748 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 29. A passive data dictionary is one that is updated automatically with every database access to keep its access information up to date. a. True b. False ANSWER: False Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 749 LEARNING OBJECTIVES: DATA.CORO.15.LO16-7 - LO16-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Administration Tools KEYWORDS: Bloom's: Knowledge 30. In the context of the data-information-decision cycle, decisions made by high-level managers trigger actions in an organization's: a. lower levels. b. top levels. c. target markets. d. customer base.

ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 722 LEARNING OBJECTIVES: DATA.CORO.15.LO16-1 - LO16-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data as a Corporate Assets KEYWORDS: Bloom's: Knowledge 31. At the level of middle management, the database must be able to _____. a. provide a framework for defining and enforcing organizational policies b. provide the data necessary for tactical decisions and planning c. provide feedback to monitor whether a company is achieving its goals d. provide access to external and internal data to identify growth opportunities ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 724 LEARNING OBJECTIVES: DATA.CORO.15.LO16-2 - LO16-2 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Need for a Database and its Role in an Organization KEYWORDS: Bloom's: Comprehension 32. When introducing a database into an organization, the database approach creates a more controlled and structured information flow and thus affects people, functions, and interactions. This leads to a(n) _____ impact of the new database system. a. cultural b. managerial c. technical d. operational ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security REFERENCES: p. 726 LEARNING OBJECTIVES: DATA.CORO.15.LO16-3 - LO16-3 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Need for a Database and its Role in an Organization KEYWORDS: Bloom's: Knowledge 33. The person responsible for the control of the centralized and shared database is the database _____. a. analyst b. administrator c. programmer d. user ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: 727 LEARNING OBJECTIVES: DATA.CORO.15.LO16-4 - LO16-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Database Administration KEYWORDS: Bloom's: Knowledge 34. Database administration operations are commonly defined and divided according to the phases of the _____. a. SLA b. DBLC c. SDLC d. MRA ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 728 LEARNING OBJECTIVES: DATA.CORO.15.LO16-4 - LO16-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Database Administration KEYWORDS: Bloom's: Knowledge 35. A data administrator is also known as a(n) _____. a. data security officer b. systems administrator c. information resource manager d. information engineering officer ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 729 LEARNING OBJECTIVES: DATA.CORO.15.LO16-4 - LO16-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Database Administration KEYWORDS: Bloom's: Knowledge 36. The _____ administrator is responsible for strategic planning. a. system b. data Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security c. database d. program ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 730 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 37. Coordinating, monitoring, and allocating database administration resources is included in a DBA's _____ role. a. operative b. arbitration c. technical d. managerial ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 732 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Compone KEYWORDS: Bloom's: Knowledge 38. _____ are more detailed and specific than policies and describe the minimum requirements of a given DBA activity. a. Guidelines b. Standards c. Procedures d. Documentations ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 733 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Compone KEYWORDS: Bloom's: Knowledge 39. “All users must have passwords” is an example of a _____. a. rule b. policy c. standard d. procedure ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 734 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Compone Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security KEYWORDS:

Bloom's: Knowledge

40. "A password must have a minimum of five characters" is an example of a _____. a. policy b. rule c. procedure d. standard ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 734 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Compone KEYWORDS: Bloom's: Knowledge 41. Instructions to create a password are an example of a _____. a. rule b. policy c. standard d. procedure ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 734 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Compone KEYWORDS: Bloom's: Knowledge 42. In the context of data backup and recovery, the activities of a _____ includes the DBA operations that are classified as disaster management. a. database programmer b. systems analyst c. data administrator d. database security officer ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 735 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Compone KEYWORDS: Bloom's: Knowledge 43. Which of the following is a reason why a DBMS's daily operations must be clearly documented? a. Documentation of the daily operations help a b. Documentation of the daily operations help manage company set its long-term goals. the manual data resources of a company. c. Documentation of the daily operations help d. Documentation of the daily operations help free the pinpoint causes and solutions of database DBA from many lower-level technology-oriented problems. tasks.

Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 735 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Compone KEYWORDS: Bloom's: Knowledge 44. A(n) _____ plan is a set of instructions generated at application compilation time that predetermines how the application will connect to and communicate with the database at run time. a. access b. completion c. application d. communications ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 740 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Compone KEYWORDS: Bloom's: Knowledge 45. _____ activities cover all tasks directly related to the day-to-day operations of the DBMS and its applications. a. Backup and recovery b. System support c. Performance monitoring and tuning d. Security auditing and monitoring ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 741 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Compone KEYWORDS: Bloom's: Knowledge 46. _____ deals with ensuring that data is protected against unauthorized access, and if the data are accessed by an authorized user, that the data are used only for an authorized purpose. a. Integrity b. Compliance c. Availability d. Confidentiality ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 744 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security TOPICS: KEYWORDS:

Security Bloom's: Knowledge

47. _____ security breaches include database access by computer viruses and by hackers whose actions are designed to destroy or alter data. a. Debilitative b. Preserving c. Corrupting d. Destructive ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 745 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 48. When performing user access management, a DBA defines each user to the database at the _____ levels. a. application and DBMS b. operating system and DBMS c. operating system and application d. application and network ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 747 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 49. User-access management is a subset of _____. a. password protection b. authorization management c. data integrity management d. managerial control ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 747 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 50. In the context of database usage monitoring, a(n) _____ is a file that automatically records a brief description of the database operations performed by all users. a. change tracker b. digital footprint c. paper trail d. audit log ANSWER: d Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 748 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 51. A(n) _____ data dictionary is automatically updated by the DBMS with every database access. a. dynamic b. active c. passive d. static ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 748 LEARNING OBJECTIVES: DATA.CORO.15.LO16-7 - LO16-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Administration Tools KEYWORDS: Bloom's: Knowledge 52. A(n) _____ data dictionary is not updated automatically and usually requires a batch process to be run. a. active b. passive c. static d. dynamic ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 749 LEARNING OBJECTIVES: DATA.CORO.15.LO16-7 - LO16-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Administration Tools KEYWORDS: Bloom's: Knowledge 53. _____ CASE tools provide support for the planning, analysis, and design phases. a. Front-end b. Back-end c. Vertical d. Horizontal ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 751 LEARNING OBJECTIVES: DATA.CORO.15.LO16-7 - LO16-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Administration Tools KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security 54. _____ CASE tools provide support for the coding and implementation phases. a. Front-end b. Back-end c. Vertical d. Horizontal ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 751-752 LEARNING OBJECTIVES: DATA.CORO.15.LO16-7 - LO16-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Administration Tools KEYWORDS: Bloom's: Knowledge 55. The _____ component of a CASE tool produces the information system’s input/output formats. a. analysis b. graphics c. program document generator d. screen painter and report generator ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 752 LEARNING OBJECTIVES: DATA.CORO.15.LO16-7 - LO16-7 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Database Administration Tools KEYWORDS: Bloom's: Knowledge 56. _____ allows for the translation of the company’s strategic goals into the data and applications that will help the company achieve those goals. a. Access Management b. Business Intelligence c. Information engineering (IE) d. MOLAP ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 754 LEARNING OBJECTIVES: DATA.CORO.15.LO16-8 - LO16-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Developing a Data Administration strategy KEYWORDS: Bloom's: Knowledge 57. In the context of developing a data administration strategy, a(n) _____ provides a framework that includes computerized, automated, and integrated tools such as a DBMS and CASE tools. a. access plan b. active data dictionary c. information systems architecture d. security policy ANSWER: c POINTS: 1 Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security DIFFICULTY: Difficulty: Easy REFERENCES: p. 754 LEARNING OBJECTIVES: DATA.CORO.15.LO16-8 - LO16-8 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Developing a Data Administration strategy KEYWORDS: Bloom's: Knowledge 58. A(n) _____ is a logical storage area in Oracle. a. audit log b. datafile c. schema d. tablespace ANSWER: d POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 759 LEARNING OBJECTIVES: DATA.CORO.15.LO16-9 - LO16-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The DBA at Work: Using Oracle for Database Administration KEYWORDS: Bloom's: Knowledge 59. In the context of the Oracle Enterprise Manager, a(n) _____ is a uniquely identifiable object that allows a given person to log on to the database. a. user b. role c. profile d. client ANSWER: a POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 761 LEARNING OBJECTIVES: DATA.CORO.15.LO16-9 - LO16-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The DBA at Work: Using Oracle for Database Administration KEYWORDS: Bloom's: Knowledge 60. In the context of the Oracle Enterprise Manager, a(n) _____ is a named collection of database access privileges that authorize a user to connect to the database and use the database system resources. a. license b. role c. profile d. quota ANSWER: b POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 761 LEARNING OBJECTIVES: DATA.CORO.15.LO16-9 - LO16-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The DBA at Work: Using Oracle for Database Administration KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security 61. In the context of the Oracle Enterprise Manager, a _____ is a named collection of settings that control how much of the database resource a given user can use. a. license b. role c. profile d. constraint ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 761 LEARNING OBJECTIVES: DATA.CORO.15.LO16-9 - LO16-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The DBA at Work: Using Oracle for Database Administration KEYWORDS: Bloom's: Knowledge 62. One of the important functions provided by the database _____ is to reserve the resources that must be used by the database at run time. a. security component b. authorization manager c. initialization parameters d. administrator ANSWER: c POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 764 LEARNING OBJECTIVES: DATA.CORO.15.LO16-9 - LO16-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The DBA at Work: Using Oracle for Database Administration KEYWORDS: Bloom's: Knowledge 63. In the context of data quality management tools, _____ software is one that gathers statistics, analyzes existing data sources and metadata to determine patterns, and compares the patterns against standards that the organization has defined.

ANSWER: data-profiling POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 723 LEARNING OBJECTIVES: DATA.CORO.15.LO16-1 - LO16-1 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Data as a Corporate Assets KEYWORDS: Bloom's: Knowledge 64. In the context of an organization's managerial structure, _____ decisions are short term and affect only daily operations; for example, deciding to change the price of a product to clear it from inventory.

ANSWER: operational POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 724 LEARNING OBJECTIVES: DATA.CORO.15.LO16-2 - LO16-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security TOPICS: KEYWORDS:

The Need for a Database and its Role in an Organization Bloom's: Knowledge

65. In the context of database administration, _____ is the extent to which individuals and organizations have the right to determine the “who, what, when, where, and how” of data usage.

ANSWER: privacy POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 724 LEARNING OBJECTIVES: DATA.CORO.15.LO16-2 - LO16-2 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Need for a Database and its Role in an Organization KEYWORDS: Bloom's: Knowledge 66. The _____ aspect of introducing a DBMS in an organization deals with hardware and software changes in the organization.

ANSWER: technological POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 725 LEARNING OBJECTIVES: DATA.CORO.15.LO16-3 - LO16-3 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Introduction of a Database: Special Considerations KEYWORDS: Bloom's: Knowledge 67. In the context of the advancements in DBMS technology, the use of _____ data services can free the DBA from many lower-level technology-oriented tasks.

ANSWER: cloud POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 727 LEARNING OBJECTIVES: DATA.CORO.15.LO16-4 - LO16-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Database Administration KEYWORDS: Bloom's: Knowledge 68. In case a company installs several incompatible databases and assigns a DBA for each of them, the general coordinator of all such DBAs is known as the _____ administrator.

ANSWER: systems POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 729 LEARNING OBJECTIVES: DATA.CORO.15.LO16-4 - LO16-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Database Administration Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security KEYWORDS:

Bloom's: Knowledge

69. The _____, also known as the information resource manager (IRM), usually reports directly to top management and is given a higher degree of responsibility and authority than the DBA, although the two roles can overlap.

ANSWER: DA data administrator POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 729 LEARNING OBJECTIVES: DATA.CORO.15.LO16-4 - LO16-4 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Evolution of Database Administration KEYWORDS: Bloom's: Knowledge 70. Based on the type of decision-making support required, database users may be classified into: operational, tactical, or _____.

ANSWER: strategic POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 731 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 71. The DSO’s activities are often classified as _____ management, which includes all DBA activities designed to ensure data availability following a physical calamity or a database integrity failure.

ANSWER: disaster POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 735 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 72. In the context of ensuring integrity of a database, a(n) _____ transaction is one that does not overload the DBMS. ANSWER: efficient POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 740 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security 73. The DBA must review the database application design to ensure that transactions are _____, meaning that they mirror real-world events.

ANSWER: correct POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 740 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 74. Performance monitoring and _____ activities are designed to ensure that the DBMS, utilities, and applications maintain satisfactory performance levels.

ANSWER: tuning POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 741-742 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Knowledge 75. Within the data security framework, _____ is concerned with keeping data consistent and free of errors or anomalies.

ANSWER: integrity POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 744 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 76. A security _____ is a weakness in a system component that could be exploited to allow unauthorized access or cause service disruptions.

ANSWER: vulnerability POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 745 LEARNING OBJECTIVES: DATA.CORO.15.LO16-6 - LO16-6 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: Security KEYWORDS: Bloom's: Knowledge 77. A(n) _____ physically stores the database’s data.

ANSWER: datafile Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security POINTS: 1 DIFFICULTY: Difficulty: Easy REFERENCES: p. 759 LEARNING OBJECTIVES: DATA.CORO.15.LO16-9 - LO16-9 NATIONAL STANDARDS: United States - BUSPROG: - Analytic TOPICS: The DBA at Work: Using Oracle for Database Administration KEYWORDS: Bloom's: Knowledge 78. Describe the DBA’s managerial role.

ANSWER: As a manager, the DBA must concentrate on the control and planning of database administration. Therefore, the DBA is responsible for: - Coordinating, monitoring, and allocating database administration resources: people and data.

- Defining goals and formulating strategic plans for database administration.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 732 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Comprehension 79. Explain user requirements gathering as part of the DBA's end-user support services.

ANSWER: The DBA must work with end users to help gather the data required to identify and describe their present and future information needs. The DBA’s communication skills are important in working closely with people who have varying computer backgrounds and communication styles.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 733 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Comprehension 80. Explain conflict and problem resolution as part of the DBA’s end-user support services.

ANSWER: Finding solutions to end users’ problems in one department might trigger conflicts with other departments. End users are typically concerned with their own data needs rather than those of others, and they might not consider how their data may affect other departments within the organization. When conflicts arise, the DBA must have the authority and responsibility to resolve them.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 733 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security TOPICS: KEYWORDS:

The Database Environment's Human Component Bloom's: Comprehension

81. Describe the need for convenient and safe backup storage.

ANSWER: Multiple backups of the same data are required, and each backup copy must be stored in a different location. The storage locations must include sites inside and outside the organization. (Keeping different backups in the same place defeats the purpose of having multiple backups.) The storage locations must be properly prepared, and they may include fire-safe and quakeproof vaults as well as humidity and temperature controls. The DBA must establish a policy to respond to two questions: (1) Where are the backups to be stored? (2) How long are backups to be stored?

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 736 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Comprehension 82. The testing and evaluation of a database application cover all aspects of the system—from the simple collection and creation of data to its use and retirement. What is covered by the evaluation process?

ANSWER: - Technical aspects of both the applications and the database; backup and recovery, security and integrity, use of SQL, and application performance must be evaluated - Evaluation of the written documentation and procedures to ensure that they are accurate and easy to follow - Observance of standards for naming, documenting, and coding - Checking for data duplication conflicts with existing data - The enforcement of all data validation rules POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 741 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment's Human Component KEYWORDS: Bloom's: Comprehension 83. The use of cloud-based data services alters and expands the typical DBA's role in both technical and managerial dimensions. What is the DBA's role in this environment?

ANSWER: DBMS installation and updates. The service provider manages the installation and application of the updates within a specified maintenance window. The DBA's role is to carefully coordinate updates with the external cloud-based data service provider.

Server/network management. The service provider configures and manages the server where the DBMS reside. The DBA must work with his or her company's network department to ensure that the network is properly configured for security, performance, availability and management.

Backup and recovery operations. The service provider performs regular backups and stores backups i n secure facilities. The DBA must ensure that internal data privacy and retention Copyright Cengage Learning. Powered by Cognero.

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Chapter 16: Database Administration and Security policies are enforced and maintained.

POINTS: 1 DIFFICULTY: Difficulty: Moderate REFERENCES: p. 741 LEARNING OBJECTIVES: DATA.CORO.15.LO16-5 - LO16-5 NATIONAL STANDARDS: United States - BUSPROG: Analytic TOPICS: The Database Environment Human Component KEYWORDS: Bloom's: Comprehension

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