Question: Problem 1. [25 points] Consider a relation R with five attributes ABCDE. You are given the following dependencies: A C, BC > E, and ED

Problem 1. [25 points] Consider a relation R with five attributes

Problem 1. [25 points] Consider a relation R with five attributes ABCDE. You are given the following dependencies: A C, BC > E, and ED A. (a) List all candidate keys for R. (10 points) (b) Is R in 3NF? (5 points) (c) Is R in 2NF? (5 points) (d) Is R in BCNF? (5 points)

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