The degree of an association relationship cannot be:
A) unary.
B) binary.
C) ternary.
D) higher (n-ary).
E) zero.

Name: The degree of an association relationship cannot be: A) unary. B) binary. C) ternary. D) higher (n-ary). E) zero.
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Question

Quizplus · Accepted Answer

The degree of an association relationship must involve at least two classes, therefore it cannot be zero. A unary relationship involves only one class, while binary involves two, ternary involves three, and higher (n-ary) involves more than three.

The Degree of an Association Relationship Cannot Be