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Case: Suppose R is a relation with attributes A1,A2.... An. As a function of n, tell hovw many superkeys R has, if: a) The only

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Case: Suppose R is a relation with attributes A1,A2.... An. As a function of n, tell hovw many superkeys R has, if: a) The only key is A1. b) The only keys are A1 and A2. c) The only keys are (A1, A2) and (A3, A4). d) The only keys are (A1, A2) and fA1, A3

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