(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. There is an error
B. The output has 16 rows
C. The output has 15 rows
D. The output has 17 rows
vat fini
XY
ABC
12
113
12
1 2
23
3 4
34
41
41
41
42
235
241
336
3
214
3 24
Finish
Exll
12