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Which of the following is a tuple-generating dependencies?(a) Functional dependency(b) Equality-generating dependencies(c) Multivalued dependencies(d) Non-functional dependencyThe question was asked in a national level competition.My doubt stems from Multivalued Dependencies in chapter Normalization of Database Management |
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Answer» RIGHT option is (C) Multivalued dependencies The BEST I can explain: 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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