Answer (Choose 2 answers)
Suppose relation R(A,B) and S(B,C,D) (see figure)Compute the R right outer join S, where the condition is: R.B = S.B.Then identify 2 tuples of R that do not appear in the computed result.
A. (30.y)
B. (50.z)
C. (10.x)
D. (70.t)
R
10
X
40
60
30
y
Z
t
X
Z
Z
Z
60
50
80
50
50
70
S
70
90
Exit 30
