Give a lossless decomposition into BCNF of schema R of Exercise 7.1. Exercise 7.1. Suppose that we
Question:
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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Solution RABCD We decompose it into R1ABC R2ADE The set of ...View the full answer
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Related Book For
Database System Concepts
ISBN: 9780078022159
7th Edition
Authors: Abraham Silberschatz, Henry F. Korth, S. Sudarshan
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