Merging Subdiagrams into a Master Diagram

See Also

Merge a set of subdiagrams into a master diagram to consolidate multiple diagrams for a large group of tables that are logically related. For example, as you add new modules to an existing application, you can create one diagram for each new module. You can then merge all the diagrams into the master diagram.

To merge subdiagrams into a master diagram

1. Open your master diagram or create a new diagram. For details, see Creating a Database Diagram.
   
   
2. Open the subdiagram that you want to merge into the master diagram.
   
   
3. Select Tile Horizontally or Tile Vertically from the Window menu so that both diagrams are visible.
   
   
4. In the subdiagram, choose Select All from the Edit menu.
   
   
5. Position the pointer on the title bar of one of the selected tables and drag the selection to the master diagram. If your selection contains a table that is already displayed on the master diagram, it will not be duplicated. A diagram cannot contain duplicate copies of a table.
   
   
6. Repeat steps 2 through 5 for each subdiagram that you want to merge into the master diagram.

When you consolidate a group of tables into one diagram by merging subdiagrams into a master diagram, the layout of the individual subdiagrams is maintained within the master diagram.