Question: Choose the correct Answer ( 0 . 5 each ) 1 . 1 . Given the two relations X and Y below X: A B

Choose the correct Answer (0.5 each)
1.1. Given the two relations X and Y below
X: A B Y: C D
7 s t 3
2 z r 2
what value would be retrieved by executing the following SQL statement?
select Y.C
from X, Y
where X.A = Y.D
A. s B. z C. t D. r

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