The Ajax-based Designer offers a visually-driven way of managing relations (both internal and foreign key-based), and defining the display field for each table. It can also act as:
In the Designer workspace, we can work on the relations for all tables on the same panel. On the other hand, the Relation view shows the relations for only a single table at a time.
We access this feature from the Database view by clicking on the Designer menu tab.
If this menu tab does not appear, it's because we have not yet installed the linked-tables infrastructure ...