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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 mentionedThe 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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Answer» Right CHOICE is (a) Conjunctive selection |
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