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The _______operation performs a set union of two “similarly structured” tables

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The _______operation performs a set union of two “similarly structured” tables (a) Union (b) Join (c) Product (d) Intersect I got this question in an interview. Asked question is from Relational Query Operations and Relational Operators topic in division The Relational Model 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 option is (a) Union Best explanation: Union just combines all the values of relations of same attributes.

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