Answer (Choose 1 answer)
A Suppose relation R(A, B, C) has the following tuples (see figure)
B Which tuple is contained in the result of the following query:
C OD SELECT A, COUNT(DISTINCT B) FROM R GROUP BY A HAVING SUM(B) >3;
A. (3.7)
B. (2.10)
C. (2.3)
D. (3.12)
1
1
2
2
2
3
3
1
2
1
3
4
2
3
3
3
4
5
1
46
the exam.
Exit 40