In an entity-relationship diagram, ____ are used to show the characteristics of relationships.
A) squares
B) circles
C) diamonds
D) parallelograms

Question

Quizplus · Accepted Answer

Diamonds are used in an entity-relationship diagram to show the characteristics of relationships, such as the type of relationship (one-to-one, one-to-many, many-to-many) and any constraints or rules that apply to the relationship. Squares, circles, and parallelograms are commonly used to represent entities, attributes, and roles, respectively.

In an Entity-Relationship Diagram, ____ Are Used to Show the Characteristics