A ternary relationship occurs when a simultaneous relationship exists among instances of:
A) the same entity.
B) two entity types.
C) three entity types.
D) four entity types.
E) nine entity types.

Question

Quizplus · Accepted Answer

A ternary relationship is a relationship between three entities, each of which may have a different role in the relationship. This is represented by a diamond shape in an ER diagram, with lines connecting the three entities involved in the relationship. An example of a ternary relationship is a sales transaction involving a customer, a product, and a salesperson.

A Ternary Relationship Occurs When a Simultaneous Relationship Exists Among