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____________ is a combination of two of more attributes used as a primary key

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____________ is a combination of two of more attributes used as a primary key

(a) Composite Key

(b) Alternate Key

(c) Candidate Key

(d) Foreign Key

I got this question in an online interview.

I want to ask this question from Querying database part 3 in section Transactions of Database Management

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Best answer
The correct option is (a) Composite Key

The best explanation: Primary keys together form the composite key.

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