GATE | GATE CS 2012 | Question 2

Which of the following is TRUE?
(A) Every relation in 3NF is also in BCNF
(B) A relation R is in 3NF if every non-prime attribute of R is fully functionally dependent on every
key of R
(C) Every relation in BCNF is also in 3NF
(D) No relation can be in both BCNF and 3NF


Answer: (C)

Explanation:

BCNF is a stronger version 3NF. So every relation in BCNF will also be in 3NF.


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