Aptitude | GATE CS 1998 | Question 33

Given two union compatible relations R₁(A,B) and R₂(C,D). What is the result of the operation
R₁⋈_{A=C∧ B=D} R₂   
A. R₁ ∪ R₂
B. R₁ Χ R₂
C. R₁ – R₂
D. R₁ ∩ R₂
(A) a
(B) b
(C) c
(D) d

Answer: (D)
Explanation:
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