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Raspberry Raspberry
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7 years ago
The ________ rule specifies that an entity instance of a supertype is allowed not to belong to any subtype.
A) total specialization 
B) disjointedness 
C) partial specialization 
D) semi-specialization
Textbook 
Modern Database Management

Modern Database Management


Edition: 12th
Authors:
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dorkalotdorkalot
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7 years ago
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Raspberry Author
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#2
7 years ago
Thank you so much for this Upwards Arrow
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#3
7 years ago
Nerd Face
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