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If every non-key attribute is functionally dependent primary key, then the relation will be in

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If every non-key attribute is functionally dependent primary key, then the relation will be in (a) First normal form (b) Second normal form (c) Third form (d) Fourth normal form This question was addressed to me in unit test. The origin of the question is Atomic Domains topic in chapter Database Systems Design and Implementation of Database Management Select the correct answer from above options Interview Questions and Answers, Database Interview Questions and Answers for Freshers and Experience

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Correct option is (b) Second normal form Easy explanation - Third normal form (3NF) relaxes this constraint slightly by allowing certain nontrivial functionaldependencieswhose left side is not a superkey.

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