Give a lossless decomposition into BCNF of schema R of Exercise 7.1. Exercise 7.1. Suppose that we

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Give a lossless decomposition into BCNF of schema R of Exercise 7.1.

Exercise 7.1.

Suppose that we decompose the schema R = (A, B, C, D, E) into

(A, B, C)
(A, D, E).

Show that this decomposition is a lossless decomposition if the following set F of functional dependencies holds:

A → BC
CD → E
B → D
E → A

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Database System Concepts

ISBN: 9780078022159

7th Edition

Authors: Abraham Silberschatz, Henry F. Korth, S. Sudarshan

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