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If a relation is in BCNF, then it is also in

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If a relation is in BCNF, then it is also in

(a) 1 NF

(b) 2 NF

(c) 3 NF

(d) All of the mentioned

I have been asked this question in a national level competition.

My doubt stems from Atomic Domains in section Database Systems Design and Implementation of Database Management

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Right choice is (d) All of the mentioned

Best explanation: Third normal form (3NF) relaxes this constraint slightly by allowing certain nontrivial functionaldependencieswhose left side is not a superkey.

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