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boyob89 boyob89
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Posts: 4396
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8 years ago
Which of the following specifies that an entity instance of the supertype is allowed not to belong to any subtype?
A) overlap rule
B) partial specialization rule
C) total specialization rule
D) disjoint rule
Textbook 
Modern Systems Analysis and Design

Modern Systems Analysis and Design


Edition: 4th
Authors:
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Majoring in Economics, minoring in business
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MartyJayMartyJay
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8 years ago
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boyob89 Author
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#2
8 years ago
finally Slight Smile

thx for your expertise
Majoring in Economics, minoring in business
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#3
8 years ago
Anytime
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