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Engineering-Mathematics
October 5, 2023
Engineering-Mathematics
October 5, 2023
Engineering-Mathematics
October 5, 2023
Engineering-Mathematics
October 5, 2023

Database-Management-System

Question 16

Given two union compatible relations R1(A,B) and R2(C,D), what is the result of the operation R1A = CAB = DR2?

A
R1 ∪ R2
B
R1 × R2
C
R1 – R2
D
R1 ∩ R2
Question 16 Explanation: 
The join here will be selecting only those tuples where A=C and B=D, meaning it is the intersection.
Correct Answer: D
Question 16 Explanation: 
The join here will be selecting only those tuples where A=C and B=D, meaning it is the intersection.
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