Computer Science - Database Systems

Exercise :: Database Systems - Section 1

21. 

A database management system

A. allows simultaneous access to multiple files
B. can do more than a record management system
C. is a collection of programs for managing data in a single file
D. both (a) and (b)
E. None of the above

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

22. 

Which of the following hardware components is the most important to the operation of a database management system?

A. high-resolution video display
B. printer
C. high speed, large-capacity disk
D. plotter
E. mouse

Answer: Option C

Explanation:

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23. 

The PROJECT command will create new table that has

A. more fields than the original table
B. more rows than the original table
C. both (a) and (b)
D. all the fields of master table
E. None of the above

Answer: Option E

Explanation:

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24. 

To have a file hold a list, it is necessary to

A. identify the records in the list
B. identify the name, width and type of the fields of each record.
C. decide which fields will be used as sort or index keys
D. All of the above
E. None of the above

Answer: Option D

Explanation:

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25. 

Sophisticated report generators can

A. print row-oriented reports
B. perform arithmetic operations
C. selectively retrieve and print portions of a list
D. All of the above
E. None of the above

Answer: Option D

Explanation:

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