Let R = (A, B, C, D, E, F) be a relation scheme with the following functional…
GATE · 1999 · CS · Question 1 subparts
Let R = (A, B, C, D, E, F) be a relation scheme with the following functional dependencies:
C -> F, E -> A, EC -> D, A -> B
Which of the following is a key of R?
- A.
CD
- B.
EC
- C.
AE
- D.
AC
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