Show that the decomposition in exercise is not a dependency-preserving decomposition.

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Database System Concepts

ISBN: 978-0072554816

4th Edition

Authors: Henry F. Korth, S. Sudarshan

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Question Posted: Jan 28, 2011 05:54 AM

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Show that the decomposition in exercise is not a dependency-preserving decomposition.

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The dependency B D is not preserved F1 the restriction of F to A B C is A ABC A AB A AC A BC A ...View the full answer

Database System Concepts

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