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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

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Asked question is from Relational Query Operations and Relational Operators topic in division The Relational Model of Database Management

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Best answer
Correct option is (a) Union

Best explanation: Union just combines all the values of relations of same attributes.

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