The entity integrity rule states that:-A-no primary key attribute may be null.B-no primary key can be composite.C-no primary key may be unique.D-no primary key may be equal to a value in a foreign key.-A-no primary key attribute may be null.

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A no primary key attribute may be null. No answer description is available

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The entity integrity rule states that:

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Logical Database Design - Technical MCQs

The entity integrity rule states that:

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