(Choose 1 answer)
Suppose the relation S(B.C.D) (see figure):
Compute the result of the following query:
SELECT D, SUM(C)FROM S
GROUP BY D
Choose rows that are appear in the computed result
Α. (9.14)
Back Next Β. (9.18)
C. (9.16)
D. (9.12)
4
6
5
9
10
9
F
10
7
6
8
5
9
Q: 12