Answer (Choose 1 answer)
What is the condition that a relation schema R is in BCNF (Boyce-Codd Normal Form)?
A. It is in 3NF and satisfies an additional constraint that for every non-trivial FD: X->A, X mu key
B. If every non-prime attribute A in R is fully functionally dependent on primary key
C. If every non prime attribute is not-transitively dependent on primary key
D. None of the others
Exit 20