How would you map a category or union type with different keys on the superclasses?
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How would you map a category or union type with different keys on the superclasses?
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As per mapping Rule 21 Create a new relation for the subclass or union type Create ...View the full answer
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Related Book For
Database Design Using Entity Relationship Diagrams
ISBN: 9781032017181
3rd Edition
Authors: Sikha Saha Bagui, Richard Walsh Earp
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