Q:

What does the notnull integrity constraint do?

mhmadesk

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2022-07-13

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What does the notnull integrity constraint do?

It ensures that at least one tuple is present in the relation
It ensures that at least one foreign key is present in the relation
It ensures that all tuples have a finite value on a specified attribute
It ensures that all tuples have finite attributes on all the relations

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mhmadesk

2022-07-13

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(c).It ensures that all tuples have a finite value on a specified attribute

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