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6 days ago
In a supertype-subtype structure, discriminator attributes ________.

• are easily represented in a relational design

• cannot be represented in a relational design

• require application logic to determine which subtypes correspond to a specific supertype instance

• Both cannot be represented in a relational design and require application logic to determine which subtypes correspond to a specific supertype instance are correct
Source  Download Study Guide
Database Processing: Fundamentals, Design, and Implementation
Edition: 15th
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wrote...
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6 days ago
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Both cannot be represented in a relational design and require application logic to determine which subtypes correspond to a specific supertype instance are correct
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wrote...
6 days ago
I appreciate what you did here, answered it correctly Smiling Face with Open Mouth
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