Advanced Database Management
Pre-Test Questions
Course Introduction
Advanced Database Management explores the design, implementation, and optimization of database systems beyond foundational concepts. The course delves into advanced topics such as distributed databases, data warehousing, NoSQL systems, transaction management, query optimization, and big data processing. Students will gain hands-on experience with modern database technologies, understand emerging trends in data storage and retrieval, and learn to address real-world challenges related to data scalability, consistency, security, and performance in complex enterprise environments.
Recommended Textbook
Database Principles Fundamentals of Design Implementation and Management international 10th
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1320 Flashcards
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Page 2
Chapter 1: The Database Approach
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Sample Questions
Q1) XML data is ____.
A) structured
B) multistructured
C) unstructured
D) semistructured
Answer: D
Q2) Which of the following is an example of structured data?
A) A Web page
B) An e-mail
C) A memo
D) A spreadsheet
Answer: D
Q3) Corporations use only structured data.
A)True
B)False
Answer: False
Q4) To reveal meaning, information requires ____________________.
Answer: context
Q5) ____________________ is the result of processing raw data to reveal its meaning.
Answer: Information
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Chapter 2: Database Development Process
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Sample Questions
Q1) The existing hardware and software systems are studied during the planning phase.
A)True
B)False
Answer: False
Q2) ____________________ is the process that establishes the need for, and the extent of, an information system.
Answer: System analysis
Q3) During the testing phase, the system is subjected to exhaustive testing until it is ready for use.
A)True
B)False
Answer: False
Q4) There are ____ classical approaches to database design.
A) two
B) three
C) four
D) five
Answer: A
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Page 4
Chapter 3: Data Models
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Sample Questions
Q1) The ____ data model uses the concept of inheritance.
A) relational
B) network
C) object-oriented
D) entity relationship
Answer: C
Q2) In object-oriented terms, a(n) ____________________ defines an object's behavior.
Answer: method
Q3) 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
Q4) Business rules apply to businesses and government groups, but not to other types of organizations such as religious groups or research laboratories.
A)True
B)False
Answer: False
Page 5
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Chapter 4: Relational Model Characteristics
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Sample Questions
Q1) Codd's Rule of ____ states: If the system supports low-level access to the data, users must not be allowed to bypass the integrity rules of the database
A) Nonsubversion
B) Logical Data Independence
C) Comprehensive Data Sublanguage
D) Integrity Independence
Q2) In the context of a database table, the statement "A ____ B" indicates that if you know the value of attribute A, you can look up the value of attribute B. A) contains B) is related to C) owns D) determines
Q3) ____________________ joins are especially useful when you are trying to determine what value(s) in related tables cause(s) referential integrity problems.
Q4) PRODUCT yields all possible pairs of rows from two tables-also known as the ____________________ product.
Q5) Describe the use of nulls in a database.
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Chapter 5: Beginning Structured Query Language Sql
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Sample Questions
Q1) The ANSI prescribes a standard SQL-the current fully approved version is known as SQL-07.
A)True
B)False
Q2) Data type selection is usually dictated by the nature of the data and by the intended use.
A)True
B)False
Q3) What command is used to save changes to the database? What is the syntax for this command?
Q4) The ____ special operator is used to check whether an attribute value is null.
A) BETWEEN
B) IS NULL
C) LIKE
D) IN
Q5) A database language enables the user to create database and table structures to perform basic data management chores.
A)True
B)False
Q6) ____________________ words are words used by SQL to perform specific functions.
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Chapter 6: Procedural Language Sql and Advanced Sql
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Sample Questions
Q1) "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
Q2) Oracle recommends ____ for creating audit logs.
A) triggers
B) stored procedures
C) stored functions
D) tables
Q3) The Oracle ____ function returns the current date.
A) DATE
B) SYSDATE
C) CURRENT_DATE
D) TO_DATE
Q4) The IN subquery uses a(n) ____________________ operator.
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8
Chapter 7: Data Modeling With Entity Relationship
Diagrams
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Sample Questions
Q1) Although the conceptual model can handle ____ relationhips and multivalued attribues, you should not implement them in the RDBMS.
A) 1:1
B) M:N
C) 1:M
D) 1:N
Q2) A(n) ____________________ attribute need not be physically stored within the database.
Q3) Connectivities and cardinalities are established by business rules.
A)True
B)False
Q4) Relationship strength depends on how the primary key of the related entity is formulated, while the relationship ____________________ depends on how the business rule is written.
Q5) The ERM forms the basis of a(n) ___________________________________.
Q6) In Crow's Foot notation, an optional relationship between entities is shown by drawing a(n) ____________________ on the side of the optional entity.
Q7) ____________________ are underlined in an ER diagram.
Q8) Storing ____________________ attributes requires constant maintenance. Page 9
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Page 10
Chapter 8: Data Modeling Advanced Concepts
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Sample Questions
Q1) The entity supertype contains the common characteristics and the entity subtypes contain the unique characteristics of each entity subtype.
A)True
B)False
Q2) 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
Q3) Some designs use redundant relationships as a way to simplify the design.
A)True
B)False
Q4) An entity cluster is a "virtual" entity type used to represent multiple entities and relationships in the ERD.
A)True
B)False
Q5) The ____________________ is the result of adding more semantic constructs to the original entity relationship (ER) model.
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Chapter 9: Normalizing Database Designs
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Sample Questions
Q1) A table is in BCNF if every determinant in the table is a candidate key.
A)True
B)False
Q2) It becomes difficult to create a suitable ____________________ key when the related table uses a composite primary key.
Q3) Dependencies based on only a part of a composite primary key are called ____ dependencies.
A) primary
B) partial
C) incomplete
D) composite
Q4) A(n) ____________________ derives its name from the fact that a group of multiple entries of the same type can exist for any single key attribute occurrence.
Q5) Some very specialized applications may require normalization beyond the ____.
A) 1NF
B) 2NF
C) 3NF
D) 4NF
Q6) All relational tables satisfy the ____________________ requirements.
Page 12
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Chapter 10: Distributed Databases
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Sample Questions
Q1) ____ transparency allows a distributed database to be treated as a single logical database.
A) Distribution
B) Transaction
C) Failure
D) Performance
Q2) One of the advantages of a DDBMS is less danger of a single-____________________ failure.
Q3) The World Wide Web (the Web) is the repository for distributed data.
A)True
B)False
Q4) One of the advantages of a DDBMS is that the data is located near the site with the least demand.
A)True
B)False
Q5) One of the advantages of a DDBMS is processor ____________________.
Q6) The ____________________ commit protocol 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.
Page 13
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Chapter 11: Interacting With Databases Through the Web
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Sample Questions
Q1) The Web ____________________ is the main hub through which all Internet services are accessed.
Q2) Database connectivity software is also known as database middleware because it interfaces between the application program and the database.
A)True
B)False
Q3) Java applications are compiled and stored in the Web browser.
A)True
B)False
Q4) When using an Oracle database, your Web-to-database middleware can connect to the database via ____.
A) ODBX
B) CGI
C) SQL*Net
D) SQL*Plus
Q5) A database server-side extension is known as Web-to-database middleware.
A)True
B)False
Q6) What are the main types of objects in the OLE-DB model?
Page 14
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Chapter 12: Database Administration and Security
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Sample Questions
Q1) One CASE tool, ____________________ Data Modeler by Computer Associates, produces fully documented ER diagrams that can be displayed at different abstraction levels.
Q2) Current data distribution philosophy makes it easy for ____ end users to access the database.
A) limited
B) unauthorized
C) authorized
D) any
Q3) 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
Q4) The security, privacy, and integrity of the data in the database are of minimal concern to DBAs who manage current DBMS installations.
A)True
B)False
Q5) The general coordinator of all DBAs is sometimes known as the ____________________ administrator.
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Chapter 13: Managing Transactions and Concurrency
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Sample Questions
Q1) How does a shared/exclusive lock schema increase the lock manager's overhead?
Q2) When using an optimistic approach, 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
Q3) 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 tables are normalized
D) one in which all SQL statements only update one table at a time
Q4) The ____ approach to scheduling concurrent transactions assigns a global unique stamp to each transaction.
A) scheduled
B) table-locking
C) unique
D) timestamping
Q5) The ____________________ rule states that only one transaction at a time can own an exclusive lock on the same object.
Q6) What are database checkpoints?
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Chapter 14: Managing Database and Sql Performance
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Sample Questions
Q1) All data in a database are stored in ____ files.
A) table
B) data
C) RAM
D) system
Q2) Once an SQL statement is transformed, the DBMS creates what is commonly known as a(n) ____________________ plan.
Q3) To work with the data, the DBMS must retrieve the data from the ____ and place it in the ____.
A) data files, procedure cache
B) data files, data cache
C) temporary files, RAM
D) temporary files, procedure cache
Q4) To generate database object statistics manually, you could use the following syntax:
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;
Q5) List and describe some typical DBMS processes.
Page 17
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Chapter 15: Databases for Decision Support
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Sample Questions
Q1) ______________________________ is a collection of concepts, techniques, and processes for the proper identification, definition, and management of data elements within an organization.
Q2) The star schema is designed to optimize data query operations rather than data update operations.
A)True
B)False
Q3) The ____ dimension of a data cube provides a framework from which sales patterns can be analyzed and possibly predicted.
A) time
B) cube
C) third
D) multi-
Q4) In 2008, Wal-Mart, the world's largest company, had over four ____ of data in its data warehouses.
A) megabytes
B) gigabytes
C) terabytes
D) petabytes
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