(Choose 1 answer)
The table R(X,Y) currently has the following tuples (note there are duplicates). The relation S(A.B.C) has the following tuples:(See picture)
Which is the result when we execute the following query:
SELECT * FROM R UNION
SELECT * FROM S
A. The output has 15 rows
B. The output has 16 rows
C. The output has 17 rows
D. There is an error
XY
ABC
113
12
12
123
214
23
34
235
34
241
324
41
41
336
41
42
Q: 24