Introduction to Database System
A report form

appears on the computer monitor during data entry
None of these
is used during report generation to format data
All of these
both (a) and (b)

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Introduction to Database System
The activity of a file

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

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