This exercise is based on four different inventory relation schemas: P, Q, R, and S. An instance
Question:
a. Identify the primary key of each relation schema.
b. Indicate the functional dependencies and/or multi-valued dependencies present in each design.
c. Evaluate each design for a fourth or fifth normal form violation. Explain your conclusion in each case.
d. Where there is a fourth normal form violation, provide a revised lossless-join design that is in fourth normal form.
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Related Book For
Data Modeling and Database Design
ISBN: 978-1285085258
2nd edition
Authors: Narayan S. Umanath, Richard W. Scammel
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