Question: 1 0 . ( 1 4 points ) consider a relation R with five attributes ABCDE. You are given the following dependencies: A B ,

10.(14 points) 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 BCNF? If not, decompose the relation based on BCNF.

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