Q. 55 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.
The relation R is
(A) in 1NF, but not in 2 NF
(B) in 2 NF, but not in 3 NF
(C) in 3 NF, but not in BCNF
(D) in BCNF
Answer: (A)
Explanation: