Relationships in the Logical Model › Add a Many-to-Many Relationship

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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 erw_hlp--many to many relationship tool--SCR on the ERwin Toolbox.

    The cursor changes to erw_hlp--many to many relationship cursor--SCR .

  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