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Ace volume-1 ,Functional dependencies ,Q-13

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CONSIDER the relation R(ABC) with functional dependency F={A->B,AB->C,C->A} Which of the following is Super key but not candidate key?

(a) A

(b) AB

(c)C

(d) None
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Ace Test Series: Databases - Functional Dependencies
Find what FD is violated by the Relation R = { } i.e. empty relation a. All FD b. Does not violate FD's c. Cannot say d. None of the Above
Find what FD is violated by the Relation R = { } i.e. empty relationa. All FDb. Does not violate FD'sc. Cannot sayd. None of the Above
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