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A selection of the form giving all the records not satisfying simple individual conditions is ______

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A selection of the form giving all the records not satisfying simple individual conditions is ______

(a) Conjunctive selection

(b) Disjunctive selection

(c) Negation

(d) None of the mentioned

This question was posed to me in a job interview.

My query is from Query Processing in chapter Query Processing and Optimization of RDBMS

1 Answer

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Best answer
Right choice is (c) Negation

Explanation: A selection of the form giving all the records not satisfying simple individual conditions is negation. This is a form of complex selection predicate.

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