What are the Guidelines for creating master files or database ?
What will be an ideal response?
A. Each separate entity should have its own master file or database relation.
B. A specific, nonkey data field should exist on only one master file or relation.
C. Each master file or relation should have programs to create, read, update, and delete records.
Computer Science & Information Technology
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Aggregate Functions are generally applied to a field related to one of the primary key fields when used with a table that has a multiple-field primary key
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Computer Science & Information Technology