# Managing Entity Inheritance

## Inheriting Persistent Types

1. In the Inheritance list of Palette, choose Inherit Persistent Type.

2. Click on the source entity or the mapped superclass of the Is-A relationship or press `ESCAPE` to cancel.

3. Click on the target entity of the Is-A relationship or press `ESCAPE` to cancel.

   The Eclipse IDE creates and visualizes the Is-A relationship.

## Inheriting Entities

1. In the Inheritance list of the Palette, choose Inherited Entity.

2. Click on the source entity or the mapped superclass of the Is-A relationship or press `ESCAPE` to cancel.

3. Click somewhere in the diagram or press `ESCAPE` to cancel.

   The Eclipse IDE creates and visualizes a new inherited entity, as well as the relevant Is-A relationship.

## Removing Is-A Relationships

To remove a particular Is-A relationship, select the relation on the JPA diagram and press `DELETE` , or choose Delete from the context menu.

Removing a relationship via the JPA diagram also removes it from the application data model.