A unary relationship is a relationship between the instances of ________ entity type(s).
A)One
B)Two
C)Three
D)Five

Question

Quizplus · Accepted Answer

A unary relationship is a relationship between the instances of one entity type. This means that the relationship is within the same entity type or entity set. For example, a person entity may have a unary relationship with itself in terms of age; a person's age will change over time, but it is still a factor related to that person entity. Therefore, the answer is A - one.

A Unary Relationship Is a Relationship Between the Instances of ________