If a Relationship Exists Among Three or More Entities, Then

question 157

Multiple Choice

If a relationship exists among three or more entities, then:

• A) recursive relationships must be established through the use of recursive foreign keys.
• B) a separate relation with a primary key that is the composite of the primary keys of each of the participating entities is created.
• C) separate relations are established for each class and for each of the subclasses.
• D) use the primary key of relation A as a foreign key in relations B and C.
• E) none of the above is done.

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