Answer
Data constraint is a limitation we implement on the data. For example, length cannot be negative and months in a year cannot be 13.
Work Step by Step
N/A
Database Concepts
by Kroenke, David; Auer, David;
Published by
Pearson
ISBN 10:
0133544621
ISBN 13:
978-0-13354-462-6
Chapter 4 - Data Modeling and the Entity-Relationship Model - Review Questions - Page 280: 4.5
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