OD
(Choose 1 answer)
4
6
5
9
6
8
5
9
Suppose the relation S(B,C,D) has tuples:Which one of the followings will appear in the result of the following query:
SELECT B. SUM(C)FROM S
GROUP BY B
A. (c. 12)
B. (c.13)
C. (c.11)
D. (c.18)
10
7
9
F
10
Exit 20