The Primary Key rule links the primary key port in a mapping object to the primary key port with the same name in another mapping object.

For example, if you create a Primary Key rule on the link from a source definition to a source qualifier, Mapping Architect for Visio creates the primary key port in the source qualifier with the same name and properties as the source definition. Mapping Architect for Visio also creates links between ports of the same name.

The link between primary key and foreign key does not appear in Mapping Architect for Visio. However, the Import Mapping Template creates a mapping with these links.

Use the following syntax when you include this rule in a Parameter rule: