Question: A STUDENT table's primary key is STUDENT _ CODE. The STUDENT primary key column has no null entries, and all entries are unique. This is

A STUDENT table's primary key is STUDENT_CODE. The STUDENT primary key column has no null entries, and all entries are unique. This is an example of integrity.
complete
referential
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entity
A STUDENT table's primary key is STUDENT_CODE. The STUDENT primary key

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