Question: Consider a relation with four attributes ABCD and functional dependencies AB- 1. Compute the closure for the attribute set (A, C 2. Compute the closure

Consider a relation with four attributes ABCD and functional dependencies AB-

Consider a relation with four attributes ABCD and functional dependencies AB- 1. Compute the closure for the attribute set (A, C 2. Compute the closure for the attribute set B, D). 3. What are all keys of the relation

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