# Specifying additional tables

Add a secondary table annotation to an entity if its data is split across more more than one table.

To add a secondary table to the entity,

1. Select the entity in the Package Explorer.

2. In the JPA Details view, select the Secondary Tables information.

   Specifying Secondary Tables

3. Click Add to associate an additional table with the entity. The Edit Secondary Table dialog appears

4. Select the Name, Catalog, and Schema of the additional table to associate with the entity.

Eclipse adds the following annotations the entity:

    @SecondaryTable(name="NAME", catalog = "CATALOG", schema = "SCHEMA"

Adding persistence to a class

Understanding Java persistence