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Consider a relation R(A, B, C,D,E, G, H,I.J.K) and its FD set F (A BC,E - 4) List at least 5 super-keys for R. (2

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Consider a relation R(A, B, C,D,E, G, H,I.J.K) and its FD set F (A BC,E - 4) List at least 5 super-keys for R. (2 marks) Is it possible to decompose R into a collection of BCNF relations and ensure the decomposition is dependency-preserving and lossless-join? Please justify your answers. (3 marks) 5)

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