A (n) …………….. is an attribute in a relation that serves as a primary key of another relation in the same.

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Vijay Sangwan

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📊 Database Management System (DBMS)

Q. A (n) …………….. is an attribute in a relation that serves as a primary key of another relation in the same.

(A) Composite key
(B) Foreign key
(C) Identifier key
(D) Specalization

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✅ Correct Answer: (A) Composite key

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