What would cause a relational schema for a database to contain more relation schemas than there are

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What would cause a relational schema for a database to contain more relation schemas than there are entity types?

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Data Modeling and Database Design

ISBN: 978-1285085258

2nd edition

Authors: Narayan S. Umanath, Richard W. Scammel

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Question Posted: Apr 21, 2016 06:26 AM

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What would cause a relational schema for a database to contain more relation schemas than there are

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Data Modeling and Database Design

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