A one-to-one relationship between two entities is symbolized in a diagram by a line that ends with
A) two short marks.
B) one short mark.
C) a crow's foot.
D) a crow's foot topped by a short mark.

Question

Quizplus · Accepted Answer

A one-to-one relationship in an entity-relationship diagram is typically represented by a line ending with two short marks, indicating that each instance of one entity is associated with exactly one instance of the other entity.

A One-To-One Relationship Between Two Entities Is Symbolized in a Diagram