Database Systems - Section 7 Multiple Questions and Answers.




16.Embedded pointer provide
A. a secondary access path
B. a physical record key
C. an inverted index
D. All of the above

17.Which of the following is a type of DBMS software?
A. database manipulation language
B. query language
C. utilities
D. report writer

18.Data items grouped together for storage purposes are called a
A. record
B. title
C. list
D. string

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

20.Versatile report generators can provide
A. Columnar totals
B. Subtotals
C. Calculations
D. All of the above

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