According to the data model, is it required that every entity instance in the PRODUCT table be

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According to the data model, is it required that every entity instance in the PRODUCT table be associated with an entity instance in the CD table? Why or why not?

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Database Systems Design Implementation and Management

ISBN: 978-1285196145

11th edition

Authors: Carlos Coronel, Steven Morris

Question Posted: Dec 03, 2014 08:54 AM

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According to the data model, is it required that every entity instance in the PRODUCT table be

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No The completeness constraint for the data model s...View the full answer

Database Systems Design Implementation and Management

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