Database MCQ

1:

The following functional dependencies hold for relation R(A, B, C) and S(B, D, E) B —> A, A —> C , the relation R contains 200 tuples and relation S contains 100 tuples. What is maximum number of tuples possibles in natural join R  and S ?

A.

100

B.

200

C.

300

D.

400

 

Answer : A

Explanation :

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Option: A

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