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The intersection of all records satisfying the individual simple conditions Oi is called as ________

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The intersection of all records satisfying the individual simple conditions Oi is called as ________

(a) Conjunctive selection

(b) Disjunctive selection

(c) Negation

(d) None of the mentioned

The question was asked in a job interview.

The doubt is from Estimating Statistics of Expression Results topic in division Query Processing and Optimization of RDBMS

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Right choice is (a) Conjunctive selection

The explanation: The intersection of all records satisfying the individual simple conditions Oi is called as conjunctive selection. It is a form of a complex selection.

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