Question: Consider a relation R(A,B,C,D,E). Given FDs: A -> D, B -> E, D -> C, E -> A. What are the closures of A, B,

Consider a relation R(A,B,C,D,E). Given FDs: A -> D, B -> E, D -> C, E -> A.

What are the closures of A, B, C, D, E respectively?

What are the keys?

Is there any BCNF violation?

If so, decompose till when there is no 3NF violations, if possible.

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