Computer Science - Database Systems - Discussion

Discussion Forum : Database Systems - Section 3 (Q.No. 19)

Database Systems

19.

The activity of a file

is a low percentages of number of records added or deleted from a file

if high, reduces processing efficiency for sequential and nonsequential files

is a measure of the percentage of existing records updated during a run

refers to how closely the files fits into the allocated

None of the above.

Answer: Option

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