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

Correct Answer: A. a secondary access path

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

Correct Answer: A. database manipulation language

18. Data items grouped together for storage purposes are called a

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

Correct Answer: A. record

19. The activity of a file

A. is a low percentage 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.

Correct Answer: A. is a low percentage of number of records added or deleted from a file

20. Versatile report generators can provide

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

Correct Answer: D. All of the above

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