Question: A relation R has five attributes ABCDE, with the following dependencies: A B, BC E, and ED A. a.) List one possible

A relation R has five attributes ABCDE, with the following dependencies:
A → B, BC → E, and ED → A.

a.) List one possible primary key from among the candidate keys for R. (6 points). REQUIRED: RATIONALE
b.) Given the dependencies above and the primary key you chose, is there a BCNF violation? (6 pts). REQUIRED: RATIONALE

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