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boyob89 boyob89
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Posts: 4396
3 years ago
The __________ specifies that if an entity instance of the supertype is a member of one subtype, it cannot simultaneously be a member of any other subtype.
Textbook 

Modern Systems Analysis and Design, 4e


Edition: 4th
Authors:
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Majoring in Economics, minoring in business
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MartyJayMartyJay
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3 years ago
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disjoint rule
1

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wrote...
3 years ago
thanks a bunch Smiling Face with Halo
Majoring in Economics, minoring in business
wrote...
3 years ago
Glad I could help
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