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MCQ (Single Correct Answer)
GATE CSE 2013
Relation R has eight attributes ABCDEFGH. Fields of R contain only atomic values. F = {CH - G, A - BC, B - CFH, E - A, F - EG} is a set of functional dependencies (FDs) so that F+ is exactly the set of FDs that hold for R.
How many candidate keys does the relation R have?
(A) 3(B) 4(C) 5(D) 6