Question: Consider the relation schema R with attributes A, B, C, and D and the following functional dependencies: AB+C, ACB, B+D, BC-A. (a) List all keys

Consider the relation schema R with attributes A, B, C, and

Consider the relation schema R with attributes A, B, C, and D and the following functional dependencies: AB+C, ACB, B+D, BC-A. (a) List all keys for R. (1 point) (b) Is R in BCNF? If it is not, decompose it into a collection of BCNF relations. (1 point) (g) Is R in 3NF? If it is not, convert it into a collection of 3NF relations. (1 point)

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