_______ key must satisfy referential integrity in a relation, while _______ key must satisfy entity integrity.

_______ key must satisfy referential integrity in a relation, while __

1.	_______ key must satisfy referential integrity in a relation, while _______ key must satisfy entity integrity.
A.	Candidate, primary
B.	Foreign, primary
C.	Primary, foreign
D.	Foreign, superkey
Answer» C. Primary, foreign

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_ key must satisfy referential integrity in a relation, while _ key must satisfy entity integrity.

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