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b) Given the relation R(W,X,Y,Z). We have the following functional dependencies: XY W, Y-Z, YW→X, and XW Y. a) Determine the candidate key(s) b) Decompose R into BCNF relations

b) Given the relation R(W,X,Y,Z). We have the following functional dependencies: XY W, Y-Z, YW→X, and XW Y. a) Determine the candidate key(s) b) Decompose R into BCNF relations

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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**Question (b):** Given the relation \( R(W, X, Y, Z) \). We have the following functional dependencies: - \( XY \rightarrow W \) - \( Y \rightarrow Z \) - \( YW \rightarrow X \) - \( XW \rightarrow Y \) Tasks: a) Determine the candidate key(s) b) Decompose \( R \) into BCNF (Boyce-Codd Normal Form) relations.
Transcribed Image Text:**Question (b):** Given the relation \( R(W, X, Y, Z) \). We have the following functional dependencies: - \( XY \rightarrow W \) - \( Y \rightarrow Z \) - \( YW \rightarrow X \) - \( XW \rightarrow Y \) Tasks: a) Determine the candidate key(s) b) Decompose \( R \) into BCNF (Boyce-Codd Normal Form) relations.
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