Reference Manager allows you to view and modify basic parameters of table references within the diagram.
To open the Reference Manager use the Reference Manager () item on Diagram tab of Ribbon or press Ctrl - 5.
The dialog contains a grid with the list of references that exist within the diagram. The grid shows reference names and their properties.
The grid allows you to modify the following properties:
The Parent Table and Child Table columns of the grid display relationships between columns of participated tables.