Why can we not guarantee that BCNF relation schemas will be produced by dependency-preserving decompositions of non-BCNF

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Why can we not guarantee that BCNF relation schemas will be produced by dependency-preserving decompositions of non-BCNF relation schemas? Give a counterexample to illustrate this point.

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Fundamentals Of Database Systems

ISBN: 9780133970777

7th Edition

Authors: Ramez Elmasri, Shamkant Navathe

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Question Posted: Nov 09, 2021 01:48 AM

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Why can we not guarantee that BCNF relation schemas will be produced by dependency-preserving decompositions of non-BCNF

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Fundamentals Of Database Systems

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