Relation Object (Model Designer)
The name of the relation in the physical data source to which the Role or Inheritance is bound. The string cannot be empty. For Bindings on Inheritance, the target columns of each RelationEnd must comprise a unique key for the table associated with that end.
Indicates which end of the relation the Role is bound to. There are two options: Source and Target. This attribute is required for Bindings on Role objects. This object is ignored for Bindings on Inheritance objects. For Bindings on Role objects with a cardinality of One or OptionalOne, the target columns of the RelationEnd must comprise a unique key for the table associated with that end.