Question: Exercise 19.2 Consider a relation R with five attributes ABCDE. You are given the following dependencies: A B, BC E, and ED A. 1. List

Exercise 19.2 Consider a relation R with five attributes ABCDE. You

Exercise 19.2 Consider a relation R with five attributes ABCDE. You are given the following dependencies: A B, BC E, and ED A. 1. List all keys for R. 2. Is R in 3NF? 3. Explain why R is not in BCNF 4. Decompose R into BCNF relations

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