A simultaneous relationship among instances of three entity types is a:
A)unary relationship
B)binary relationship
C)ternary relationship
D)multiple occurrence

Question

Quizplus · Accepted Answer

A ternary relationship involves a simultaneous relationship among instances of three entity types. None of the other options fit this definition. A unary relationship involves a relationship with only one entity type, a binary relationship involves a relationship with two entity types, and a multiple occurrence involves a relationship in which an entity can participate in multiple instances of the same relationship.

A Simultaneous Relationship Among Instances of Three Entity Types Is