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

Answer rating: 100% (QA)

a One possible primary key for relation R could be A C D Rationale A is a ... View the full answer