Question: Problem 4 Consider a relation R with five attributes ABCDE. You are given the following dependencies: A B, BC E, and ED A. a) List

Problem 4 Consider a relation R with five attributes ABCDE. You are given the following dependencies: A B, BC E, and ED A. a) List all keys for R. b) Is R in 3NF? c) Is R in BCNF? (3 points) (3 points) (3 points)

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