
13.1 Copying Model Elements
Each logical model element such as a table scheme or foreign key relationship occurs
only once in the underlying model. However, you can display as many copies as you
like of the same model element on the diagram, on the same page or on different pages.
One reason to display multiple copies of a model element on the same page is to pro-
vide a cleaner layout of foreign key relationships. An easy way to copy a diagram
instance of a table on the same page is to Control-drag it to another place on the dia-
gram. To do this, select the table shape on the diagram, then hold the Ctrl key down as
you drag a copy of it to the new ...