(Choose 1 answer)
Suppose relations R(A,B,C), S(A,B,C) (See figure)Compute the bag union R [union] S, and then indicate which of the following is true about this bag.
aad
f
f
f
A. (d.e.f) appears twice in the result.
B. (a.b.c) appears twice in the result.
C. (a,b,c) appears once in the result.
D. (d.e.f) appears once in the result.
Exit 33
