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What is Semantic Constraint

Chapter 2
Handbook of Research on Innovations in Database Technologies and Applications: Current and Future Trends
In contrast to a structural constraint, a constraint that does not place a limit on the database structure.
Published in Chapter:
Bounded Cardinality and Symmetric Relationships
Norman Pendegraft (University of Idaho, USA)
Copyright: © 2009 |Pages: 6
DOI: 10.4018/978-1-60566-242-8.ch002
Abstract
Bounded cardinality occurs when the cardinality of a relationship is within a specified range. Bounded cardinality is closely linked to symmetric relationships. This article describes these two notions, notes some of the problems they present, and discusses their implementation in a relational database.
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