When using an REA diagram to develop a database,a many-to-many relationship must be
A)broken into two,one-to-one relationships.
B)combined into a single one-to-one relationship.
C)combined into a one-to-many relationship.
D)broken into two,one-to-many relationships.

Question

Quizplus · Accepted Answer

In an REA diagram, a many-to-many relationship between two entities must be broken into two one-to-many relationships by introducing a new entity in between. This new entity represents the intersection between the original two entities and breaks down the many-to-many relationship into two one-to-many relationships. Therefore, the best choice is to break the many-to-many relationship into two one-to-many relationships, which is option D.

When Using an REA Diagram to Develop a Database,a Many-To-Many