If an Associative Entity Exists, Then

question 84

Multiple Choice

If an associative entity exists, then:

• A) 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.
• B) the primary keys of relation A and relation B become foreign keys in a new relation C.
• C) secondary keys are used to establish the relationship.
• D) place the primary key of either entity in the relation for the other entity or do this for both entities.
• E) none of the above should be done.

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