(Choose 1 answer)
Suppose the relation S(B,C.D)(see figure):
Compute the result of the following query:C
SELECT D, SUM(C)FROM S GROUP BY D
Choose rows that are appear in the computed result
A. (9.16)
the exam.
B. (9.12)
C. (9.18)
D. (9.14)
4
6
5
9
10
7
6
8
5
9
10
9
F
Exit 23