Relationship Properties

You can modify an object's properties from its property sheet. To open a relationship property sheet, double-click its diagram symbol or its Browser entry in the Relationships folder.

The General tab contains the following properties:

Property	Description
Name	Specifies the name of the item, which should be clear and meaningful, and should convey the item's purpose to non-technical users.
Code	Specifies the technical name of the object, which is used for generating code or scripts, which may be abbreviated, and should not generally include spaces.
Comment	Specifies a descriptive label for the relationship.
Stereotype	Sub-classification used to extend the semantics of an object without changing its structure; it can be predefined or user-defined.
Entity1 Entity2	Specifies the two entities linked by the relationship. You can use the tools to the right of the lists to create an object, browse the complete tree of available objects or view the properties of the currently selected object.
Generate	Specifies that the relationship should be generated as a reference when you generate a PDM.
Cardinalities	Contains data about cardinality as the number of instances of one entity in relation to another entity.

Relationship Property Sheet Cardinalities Tab
The Cardinalities tab allows you to specify the nature of the relationship between the two entities.
Relationship Property Sheet Joins Tab (LDM)
A join is a link between an attribute in a parent entity and an attribute in a child entity (attribute pair) that is defined within a relationship.
Enabling Many-to-many Relationships in an LDM
In an LDM, many-to-many relationships are, by default, not permitted and are represented with an intermediary entity. If you allow many-to-many relationships, you can select the many-to-many value in the cardinalities tab.

Parent topic: Relationships (CDM/LDM)