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A selection of the form satisfying the intersection of all records satisfying individual simple conditions is

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A selection of the form satisfying the intersection of all records satisfying individual simple conditions is

(a) Conjunctive selection

(b) Disjunctive selection

(c) Negation

(d) None of the mentioned

I have been asked this question in unit test.

My question is from Query Processing topic in section Query Processing and Optimization of RDBMS

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Right choice is (a) Conjunctive selection

To elaborate: A selection of the form satisfying the intersection of all records satisfying individual simple conditions is a conjunctive selection. This is a form of complex selection predicate.

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