Database Systems Design Implementation And Management 11th Edition by Carlos Coronel - Test Bank

,CHAPTER 1: DATABASE SYSTEMS
1. Data and information are essentially the same thing.
a. True
b. False

ANSWER: False

2. Data processing can be as simple as organizing data to reveal patterns.
a. True
b. False

ANSWER: True

3. Data is the result of processing raw facts to reveal its meaning.
a. True
b. False

ANSWER: False

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

5. Data constitute the building blocks of information.
a. True
b. False

ANSWER: True

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

7. The only way to access the data in a database is through the DBMS.
a. True
b. False

ANSWER: True

8. Database programming languages receive all application requests and translate them into the complex
operations required to fulfill those requests.
a. True
b. False

ANSWER: False

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,Chapter 1: Database Systems
9. The DBMS reveals much of the database’s internal complexity to the application programs and users.
a. True
b. False

ANSWER: False

10. One disadvantage of the DBMS is that it increases the risk of data security breaches.
a. True
b. False

ANSWER: False

11. An operational database is sometimes referred to as an enterprise database.
a. True
b. False

ANSWER: False

12. A data warehouse can store data derived from many sources.
a. True
b. False

ANSWER: True

13. The same data might be simultaneously structured and unstructured depending on the intended processing.
a. True
b. False

ANSWER: True

14. Corporations use only structured data.
a. True
b. False

ANSWER: False

15. Field refers to a collection of related records.
a. True
b. False

ANSWER: False

16. 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




© 2015 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.

, Chapter 1: Database Systems
17. 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

18. An advantage of database systems is that you needn’t perform frequent updates and apply latest patches.
a. True
b. False

ANSWER: False

19. One disadvantage of a database system over previous data management approaches is increased costs.
a. True
b. False

ANSWER: True

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

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

22. is the body of information and facts about a specific subject.
a. Validation b. A format
c. Knowledge d. A database

ANSWER: c

23. Accurate, relevant, and timely information is the key to .
a. data management b. good decision making
c. knowledge d. understanding

ANSWER: b

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



© 2015 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.