Add a Many-to-Many Relationship

Add a many-to-many relationship between two entities in a logical model where instances in one entity have zero, one, or more related instances in the other entity.

To add a many-to-many relationship

1. Click the Many-to-many Relationship icon on the erwin Toolbox.

   The cursor changes to .

2. Click the parent entity, then click the child entity.

   The many-to-many relationship is added.

More information:

Add Multiple Consecutive Many-to-Many Relationships