A zero on a relationship line indicates:
A) that the relationship line is undefined.
B) the absence of any well-defined entities.
C) that none is possible for the next relationship.
D) that the relationship should be used to create an associative entity.

Question

Quizplus · Accepted Answer

A zero on a relationship line typically indicates that the relationship is optional, meaning that none is possible for the next relationship.

A Zero on a Relationship Line Indicates