Data Integrity Categories
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Data integrity falls into the following categories:
-Entity integrity
-Referential integrity
-Domain integrity
-User-defined integrity
Explain them.
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Solution Summary
An explanation of the categories that data falls into: entity, referential, domain, and user defined
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Data integrity falls into the following categories:
-Entity integrity
-Referential integrity
-Domain integrity
-User-defined integrity
Entity integrity happens when Access forces a user to put a value in the primary key field if a primary key has been specified. If there is no value, the field is considered to be null and this is unacceptable in ...
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