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Database Systems
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.
Correct Answer:
is a low percentages of number of records added or deleted from a file
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Database Systems
Data items grouped together for storage purposes are called a
A multiple-form file management system
A file that is organized in uniform format is formally referred to as a _____ or a database file.
It is more accurate to define a _____ as a variety of different record types that are treated as a single unit
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A _____ Contains fields of data about one entity.
One data dictionary software package is called
Batch processing is appropriate if
What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database?
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