Engineering-Mathematics
October 5, 2023Engineering-Mathematics
October 5, 2023Database-Management-System
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Question 16
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Given two union compatible relations R1(A,B) and R2(C,D), what is the result of the operation R1A = CAB = DR2?
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R1 ∪ R2
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R1 × R2
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R1 – R2
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R1 ∩ R2
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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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