Consider the following three tables R, S and T. In this question, all – McqOptions

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1.	Consider the following three tables R, S and T. In this question, all the join operations are natural joins (⨝). (π) is the projection operation of a relation. Possible answer tables for this question are also given as below.What is the resulting table of πA,B(R⨝T) ⨝ πB,C(S⨝T) ?
A.	(a)
B.	(b)
C.	(c)
D.	(d)
Answer» B. (b)

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