Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
Expert Solution & Answer
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Chapter 7, Problem 26E

Explanation of Solution

To prove:

The rule if αβ and γβ, then αγ is not proved by proving a relation that satisfies αβ and γβ, but does not satisfy αγ.

Proof:

  • Let the given rule for functional dependencies

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