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The ___________ operation, denoted by −, allows us to find tuples that are in one relation but are not in another.

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The ___________ operation, denoted by −, allows us to find tuples that are in one relation but are not in another. (a) Union (b) Set-difference (c) Difference (d) Intersection This question was addressed to me in an online interview. Asked question is from Relational Algebra in division Relational Algebra of Database Management Select the correct answer from above options Interview Questions and Answers, Database Interview Questions and Answers for Freshers and Experience

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Correct answer is (b) Set-difference Explanation: The expression r − s produces a relation containing those tuples in r but not in s.

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