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Database MCQs | Questions with 100% Correct Answers | Verified
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1) Data is represented in the form of: A) Data trees B) Tables C) Data notes D) Dependent - Answer: B 2) An attribute (or attributes) that uniquely identifies each row in a relation is called a: A) Column B) Foreign field C) Primary key D) Duplicate key - Answer: C 3) An attribute in a relation of a database that serves as the primary key of another relation in the same database is called a: A) Link attribute B) Link key C) Foreign key D) None of the above - Answer: C
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