Which of the following relation schema is always in BCNF?

Coal India Management Trainee CBT · 2017 · 2017 System · Paper II · Domain Knowledge

1. A.

   R(A, B, C, D)

2. B.

   R(A, B, C)

3. C.

   R(A, B, C, D, E)

4. D.

   R(A, B)

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