Question: Integrity, Referential Integrity, and Foreign Keys: 1) Entity integrity constraint No primary key value can be Null 2) Referential integrity constraint Specified between two relations

Integrity, Referential Integrity, and Foreign Keys: 1) Entity integrity constraint No

Integrity, Referential Integrity, and Foreign Keys: 1) Entity integrity constraint No primary key value can be Null 2) Referential integrity constraint Specified between two relations Maintains consistency among tuples in two relations

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