How are the mapping rules for generalizations/specializations different from the mapping rules for weak entities?
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How are the mapping rules for generalizations/specializations different from the mapping rules for weak entities?
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The weak entity has its own primary key the partial key but the spec...View the full answer
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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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