Defining associations
The association property sheet opens to the General page.
Opening property sheets at last accessed page
Property sheets open to the General page by default. However, you can choose to open property sheets at the last page accessed by selecting Tools➤ Options➤ Dialog, and selecting the option Keep Last Tab in the Property Sheets groupbox.
5Type an association name and an association code.
6Type a name and code for Role A.
7Type a name and code for Role B.
8Click OK.
Analyzing cardinality properties
Each end of an association is called a Role. A role has its own properties and cardinality. You can define one of the two roles as being an aggregation or a composition.