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We say that a decomposition having the property F’+ = F+ is a __________ decomposition.(a) Dependency losing(b) Dependency preserving(c) Lossless(d) None of the mentionedI got this question at a job interview.I'd like to ask this question from Functional-Dependency Theory in division Relational Database Design of RDBMS

Answer» CORRECT answer is (b) Dependency preserving

To explain I would say: We say that a DECOMPOSITION having the property F’+ = F+ is a dependency preserving decomposition.


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