Question: Problem 1 : Given relation R ( A , B , C , D ) with FD ' s A B and B C .

Problem 1: Given relation R(A,B,C,D) with FD's AB and BC.
a. Complete the closures for all subsets of R using the FDs provided.
b. Determine all non-trivial FDs associated with our relation R and the given FDs.
c. Identify the key and all superkeys for relation R.
Keys:
Superkevs:
d. Is the set of FDs given minimal? If not, find the minimal basis?
Problem 1: Given relation R(A,B,C,D) with FD's AB and BC. a.

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