Computer Science - Database Systems

Exercise :: Database Systems - Section 3

16. 

Embedded pointer provide

A. a secondary access path
B. a physical record key
C. an inverted index
D. All of the above
E. None of the above

Answer: Option A

Explanation:

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17. 

Which of the following is a type of DBMS software?

A. database manipulation language
B. query language
C. utilities
D. report writer
E. All of the above

Answer: Option A

Explanation:

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18. 

Data items grouped together for storage purposes are called a

A. record
B. title
C. list
D. string
E. None of the above

Answer: Option A

Explanation:

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19. 

The activity of a file

A. is a low percentages of number of records added or deleted from a file
B. if high, reduces processing efficiency for sequential and nonsequential files
C. is a measure of the percentage of existing records updated during a run
D. refers to how closely the files fits into the allocated
E. None of the above.

Answer: Option A

Explanation:

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20. 

Versatile report generators can provide

A. Columnar totals
B. Subtotals
C. Calculations
D. All of the above
E. None of the above

Answer: Option D

Explanation:

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