State two conditions that indicate when a database designer should consider using supertype/subtype relationships.

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Modern Database Management

ISBN: 978-0133544619

12th edition

Authors: Jeff Hoffer, Ramesh Venkataraman, Heikki Topi

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Question Posted: Dec 20, 2015 02:36 AM

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State two conditions that indicate when a database designer should consider using supertype/subtype relationships.

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Modern Database Management

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