Adding Base or Secondary Tables to IDOs
When you add an IDO, you must identify a primary base table.
If there are columns in other tables that have a relationship with the primary base table and if you want to expose these columns as properties on the IDO, you must also add the related table to the IDO as either a base table or a secondary table.
To add base or secondary tables to an IDO:
The table and join conditions are added to the IDO.