Database Concepts

Published by Pearson
ISBN 10: 0133544621
ISBN 13: 978-0-13354-462-6

Chapter 2 - The Relational Model - Figure 2-33 - Sample Data for Regional Labs - Page 114: E

Answer

See explanation

Work Step by Step

Following are the modification anomalies: 1. If we have to change the salary of the employee, we have to change it multiple times against each employee name. 2. Before assigning an employee salary we have to assign the employee a projectId. 3. If a employee name is to be changed it would have to be changed against each projectId.
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