DBI202_-_1_-_SP_2024_-_FE_1616.webp
Shoji97

DBI202_-_1_-_SP_2024_-_FE_1616.webp

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(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)
112
XY
12
23
Which is the result when we execute the following query:
34
SELECT * FROM R
UNION
34
SELECT * FROM S
41
41
A. There is an error
41
B. The output has 17 rows
42
D. The output has 16 rows

ABC
113
123
214
235
241
324
336
C. The output has 15 rows

Q: 37

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