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boyob89 boyob89
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7 years ago
If an associative entity exists, then:
A) secondary keys are used to establish the relationship
B) the primary keys of relation A and relation B are designated as functionally dependent attributes
C) a separate relation C is created; the primary key of relation C is a composite key consisting of the primary key for each of the two entities in the relationship
D) place the primary key of either entity in the relation for the other entity or do this for both entities
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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7 years ago
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boyob89 Author
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#2
7 years ago
finally Slight Smile

thx for your expertise
Majoring in Economics, minoring in business
wrote...
#3
7 years ago
I’m happy to help Slight Smile
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