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Which of the normal form is based on multivalued dependencies?

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Which of the normal form is based on multivalued dependencies? (a) First (b) Second (c) Third (d) Fourth This question was posed to me in homework. The above asked question is from Multivalued Dependencies in section Normalization of Database Management

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Right answer is (d) Fourth For explanation: Multivalued dependencies, do not rule out the existence of certain tuples. Instead, they require that other tuples of a certain form be present in the relation.

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