Opening JPA Diagram Editor

  1. In the Project Explorer, select the project that you are using or want to use for your entities.

  2. In the context menu, choose JPA Tools -&grt; Open Diagram .

Creating new entities

In the Entities list of the Palette, choose Entity (Entity), then click the diagram area.

The Eclipse IDE creates the new entity with a predefined name and a primary key.

Displaying existing entities (if any) within a project on the diagram