What is a subtype discriminator? Given an example of its use.

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Database Systems Design Implementation and Management

ISBN: 978-1285196145

11th edition

Authors: Carlos Coronel, Steven Morris

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Question Posted: Dec 03, 2014 08:54 AM

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What is a subtype discriminator? Given an example of its use.

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A subtype discriminator is the attribute in the supertype entity that is used ...View the full answer

Database Systems Design Implementation and Management

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