Show that the following decomposition of the schema R of Exercise 7.2 is not loss less-join decomposition:

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(A, B, C)

(C, D, E).

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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 following decomposition of the schema R of Exercise 7.2 is not loss less-join decomposition:

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Following the hint use the following example of r A BCDE a bc ...View the full answer

Database System Concepts

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