Applied Database Technologies
Mock Exam
Course Introduction
Applied Database Technologies provides an in-depth exploration of modern database systems, focusing on the practical application and integration of relational and non-relational database technologies. The course covers topics such as database design, normalization, indexing, query optimization, transaction management, and data security. Students will gain hands-on experience working with industry-standard database platforms, including SQL and NoSQL systems, and learn how to implement real-world solutions for data storage, retrieval, and analysis in various application contexts. Emphasis is placed on emerging trends, scalability, and best practices in database development and administration.
Recommended Textbook
Database Systems Design Implementation and Management 13th Edition by Carlos Coronel
Available Study Resources on Quizplus
16 Chapters
1194 Verified Questions
1194 Flashcards
Source URL: https://quizplus.com/study-set/1337 Page 2
Chapter 1: Database Systems
Available Study Resources on Quizplus for this Chatper
75 Verified Questions
75 Flashcards
Source URL: https://quizplus.com/quiz/26666
Sample Questions
Q1) 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
Q2) 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
Q3) _____ 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
Q4) Information is produced by processing _____.
Answer: data
To view all questions and flashcards with answers, click on the resource link above.
Page 3
Chapter 2: Data Models
Available Study Resources on Quizplus for this Chatper
75 Verified Questions
75 Flashcards
Source URL: https://quizplus.com/quiz/26667
Sample Questions
Q1) The relational data model was developed in the _____.
A) 1960s
B) 1970s
C) 1980s
D) 1990s
Answer: B
Q2) A(n) _____ is a relatively simple representation of more complex real-world data structures.
Answer: data model
Q3) An internal _____ refers to a specific representation of an internal model, using the database constructs supported by the chosen database.
Answer: schema
Q4) 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
Answer: D
To view all questions and flashcards with answers, click on the resource link above. Page 4
Chapter 3: The Relational Database Model
Available Study Resources on Quizplus for this Chatper
75 Verified Questions
75 Flashcards
Source URL: https://quizplus.com/quiz/26668
Sample Questions
Q1) The SELECT operator yields a vertical subset of a table.
A)True
B)False Answer: False
Q2) The order of the rows and columns is important to the DBMS.
A)True
B)False Answer: False
Q3) 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
Q4) Only a single attribute, not multiple attributes, can define functional dependence.
A)True
B)False Answer: False
To view all questions and flashcards with answers, click on the resource link above. Page 5
Chapter 4: Entity Relationship Er Modeling
Available Study Resources on Quizplus for this Chatper
75 Verified Questions
75 Flashcards
Source URL: https://quizplus.com/quiz/26669
Sample Questions
Q1) A _____ attribute is one that cannot be subdivided.
A) composite
B) simple
C) single-valued
D) multivalued
Q2) In Crow's Foot notation, an optional relationship between entities is shown by drawing a(n) _____ on the side of the optional entity.
Q3) A(n) _____ attribute need not be physically stored within the database.
Q4) An entity is said to be _____-dependent if it can exist in the database only when it is associated with another related entity occurrence.
A) existence
B) relationship
C) business
D) data
Q5) A person's Social Security number would be an example of a(n) _____ attribute.
Q6) The Chen notation identifies a weak entity by using a double-walled entity _____.
Q7) Identifying the attributes of entities helps in the better understanding of _____ among entities.
6
To view all questions and flashcards with answers, click on the resource link above.
Chapter 5: Advanced Data Modeling
Available Study Resources on Quizplus for this Chatper
75 Verified Questions
75 Flashcards
Source URL: https://quizplus.com/quiz/26670
Sample Questions
Q1) Implementing overlapping subtypes requires the use of one discriminator attribute for each subtype.
A)True
B)False
Q2) 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
Q3) 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
Q4) 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
To view all questions and flashcards with answers, click on the resource link above. Page 7
Chapter 6: Normalization of Database Tables
Available Study Resources on Quizplus for this Chatper
75 Verified Questions
75 Flashcards
Source URL: https://quizplus.com/quiz/26671
Sample Questions
Q1) _____ 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
Q2) Repeating groups must be eliminated by ensuring that each row defines a single entity.
A)True
B)False
Q3) An ERD is created through a(n) _____ process.
Q4) It becomes difficult to create a suitable _____ key when the related table uses a composite primary key.
Q5) 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
To view all questions and flashcards with answers, click on the resource link above. Page 8
Chapter 7: Introduction to Structured Query Language Sql
Available Study Resources on Quizplus for this Chatper
75 Verified Questions
75 Flashcards
Source URL: https://quizplus.com/quiz/26672
Sample Questions
Q1) In the SQL environment, the word _____ covers both questions and actions.
Q2) All SQL commands must be issued on a single line.
A)True
B)False
Q3) Oracle users can use the Access QBE (query by example) query generator.
A)True
B)False
Q4) 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
Q5) ANSI-standard SQL allows the use of special operators in conjunction with the WHERE clause.
A)True
B)False
Q6) 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.
Page 9
To view all questions and flashcards with answers, click on the resource link above.
Chapter 8: Advanced Sql
Available Study Resources on Quizplus for this Chatper
75 Verified Questions
75 Flashcards
Source URL: https://quizplus.com/quiz/26673
Sample Questions
Q1) When writing SQL table-creating command sequences, the entire table definition is enclosed in _____.
A) asterisks
B) commas
C) quotations
D) parentheses
Q2) The PL/SQL block starts with the _____ section.
A) IS
B) OPEN
C) DECLARE
D) BEGIN
Q3) U.S. state abbreviations are always two characters, so _____(2) is a logical choice for the data type representing a state column.
Q4) Just like database triggers, stored procedures are stored in the database.
A)True
B)False
Q5) A statement-level trigger is assumed if a designer omits the FOR EACH ROW keywords.
A)True
B)False
10
To view all questions and flashcards with answers, click on the resource link above.
Chapter 9: Database Design
Available Study Resources on Quizplus for this Chatper
75 Verified Questions
75 Flashcards
Source URL: https://quizplus.com/quiz/26674
Sample Questions
Q1) 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
Q2) _____ are usually provided by the database management system (DBMS) to check for access violations.
Q3) "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
Q4) The Systems Development Life Cycle (SDLC) traces the history of an information system.
A)True
B)False
Q5) Explain the differences between a centralized and decentralized approach to database design.
To view all questions and flashcards with answers, click on the resource link above. Page 11
Chapter 10: Transaction Management and Concurrency Control
Available Study Resources on Quizplus for this Chatper
74 Verified Questions
74 Flashcards
Source URL: https://quizplus.com/quiz/26675
Sample
Questions
Q1) 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
Q2) The _____ protocol ensures that transaction logs are always written before any database data is actually updated.
Q3) 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
Q4) Most multiuser _____ automatically initiate and enforce locking procedures, where all locking information is managed by the lock manager.
Q5) In a heavily used database management system (DBMS), the prevention and detection of _____ constitutes an important DBMS function.
Page 12
To view all questions and flashcards with answers, click on the resource link above.
Chapter 11: Database Performance Tuning and Query Optimization
Available Study Resources on Quizplus for this Chatper
75 Verified Questions
75 Flashcards
Source URL: https://quizplus.com/quiz/26676
Sample Questions
Q1) All transaction management commands are processed during the parsing and execution phases of query processing.
A)True
B)False
Q2) Indexes do not facilitate join operations.
A)True
B)False
Q3) Most current-generation relational DBMSs perform automatic query optimization at the client end.
A)True
B)False
Q4) Once an SQL statement is transformed, the DBMS creates what is commonly known as a(n) _____ plan.
Q5) 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
To view all questions and flashcards with answers, click on the resource link above. Page 13
Chapter 12: Distributed Database Management Systems
Available Study Resources on Quizplus for this Chatper
74 Verified Questions
74 Flashcards
Source URL: https://quizplus.com/quiz/26677
Sample Questions
Q1) The _____ protocol is used by a DP to roll transactions back and forward with the help of the system's transaction log entries.
Q2) _____ fragmentation allows a user to break a single object into two or more segments, or fragments.
A) Horizontal
B) Vertical
C) Data
D) Request
Q3) 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
Q4) 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)?
Q5) Data _____ describes the process of deciding where to locate data.
Q6) A user-friendly _____ is one advantage of a distributed database management system (DDBMS) .
To view all questions and flashcards with answers, click on the resource link above. Page 14
Chapter 13: Business Intelligence and Data Warehouses
Available Study Resources on Quizplus for this Chatper
74 Verified Questions
74 Flashcards
Source URL: https://quizplus.com/quiz/26678
Sample Questions
Q1) Decision support datais a snapshot of the operational data at a given point in time.
A)True
B)False
Q2) _____ 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.
Q3) _____ are qualifying characteristics that provide additional perspectives to a given fact.
Q4) 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
Q5) Data warehouse data are organized and summarized by table, such as CUSTOMER and ADDRESS.
A)True
B)False
Q6) _____ makes a copy of a table and places it in a different location to improve access time.
To view all questions and flashcards with answers, click on the resource link above. Page 15
Chapter 14: Big Data and Nosql
Available Study Resources on Quizplus for this Chatper
75 Verified Questions
75 Flashcards
Source URL: https://quizplus.com/quiz/26679
Sample Questions
Q1) Data collected or aggregated around a central topic or entity is said to be ______ aware.
A) aggregate
B) transversally
C) feedback
D) visually
Q2) Under the HDFS system, using a write-one, ready-many model simplifies concurrency issues.
A)True
B)False
Q3) In MongoDB, the______ method is used to improve the readability of retrieved documents through the use of line breaks and indention.
A) pretty()
B) clean*
C) break[]
D) filter+
Q4) Most NoSQL products run only in a Linux or Unix environment.
A)True
B)False
Q5) Discuss NewSQL and what it attempts to do.
Page 16
To view all questions and flashcards with answers, click on the resource link above.
Chapter 15: Database Connectivity and Web Technologies
Available Study Resources on Quizplus for this Chatper
73 Verified Questions
73 Flashcards
Source URL: https://quizplus.com/quiz/26680
Sample Questions
Q1) 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
Q2) ODBC works on the _____ operating system.
A) Kronos
B) UNIX
C) Windows
D) Mac
Q3) 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
Q4) What are the main types of objects in the OLE-DB model? Explain.
Q5) What is JavaScript? How is JavaScript code activated?
Q6) What is a server-side extension? Explain.
Q7) XML is used to create _____, or vocabularies for entire industries.
To view all questions and flashcards with answers, click on the resource link above. Page 17
Chapter 16: Database Administration and Security
Available Study Resources on Quizplus for this Chatper
74 Verified Questions
74 Flashcards
Source URL: https://quizplus.com/quiz/26681
Sample Questions
Q1) 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.
Q2) 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
Q3) The person responsible for the control of the centralized and shared database is the database _____.
A) analyst
B) administrator
C) programmer
D) user
Q4) 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
Q5) Describe the DBA's managerial role.
To view all questions and flashcards with answers, click on the resource link above. Page 18