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A _______________ key is a minimal super key

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A _______________ key is a minimal super key

(a) Primary

(b) Foreign

(c) Candidate

(d) Non-Prime

I had been asked this question in quiz.

My question is based upon Foreign, Candidate, Primary, Composite, Unique Keys topic in section Planning Oracle Applications of Oracle

1 Answer

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Best answer
Right choice is (c) Candidate

The explanation: In the relational model of databases, a candidate key of a relation is a minimal superkey for that relation.

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