When would you create a generalization/specialization relationship, and when would you create a category or union type?

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When would you create a generalization/specialization relationship, and when would you create a category or union type? Explain with examples.

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Database Design Using Entity Relationship Diagrams

ISBN: 9781032017181

3rd Edition

Authors: Sikha Saha Bagui, Richard Walsh Earp

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Question Posted: Jan 09, 2024 07:00 AM

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When would you create a generalization/specialization relationship, and when would you create a category or union type?

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When superclasses have to inherit from ...View the full answer

Database Design Using Entity Relationship Diagrams

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