(Choose 1 answer)
Given the relation schema R(A,B,C,D) and functional dependencies F = {A->C, D->B}.
Which functional dependency/ies can cause a violation of second normal form (2NF)?
A. A->C
B. D->B
C. both A->C and D->B
D. Neither A->C or D->B
Osh
Q: 50
