1.

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

A. 100
B. 200
C. 300
D. 2000
Answer» B. 200


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