To add a foreign key, select Foreign Key Relationship dialog. Click . You can then set the foreign key name, referenced table name, foreign key columns, and actions upon update and delete., from the main menu. This displays the
To remove a foreign key, select it in the list box on the left, and click thebutton.
To change foreign key settings, select the required foreign key in the list box on the left. The detailed information about the foreign key is displayed in the right hand panel. Change the desired values.