Backup SQL Server 2008 diagrams

how can I backup the SQL Server 2008 diagrams ? I need to move some diagrams from data base to another has the same tables and everything but has more st开发者_如何学Pythonored procedures , functions and so on ?

Copying a table from one database diagram to another diagram adds a reference to the table in the second diagram. The table is not duplicated in your database. For example, if you copy the authors table from one database diagram to another, each diagram references the same authors table in the database.

To copy a table from another database diagram

Make sure you are connected to the database whose table you want to copy.

Open the source and target database diagrams and within the source diagram, select the table that you want to copy to the target diagram.

Click the Copy button on the toolbar. This action places the selected table definition on the Clipboard.

Switch to the target diagram. This diagram must be in the same database as the source diagram.

Click the Paste button on the toolbar. The Clipboard contents appear at the new location and remain highlighted until you click elsewhere. If relationships exist between the selected tables and other tables in the target diagram, relationship lines are automatically drawn.

When you edit the table in either diagram, your changes are reflected in both diagrams. Similarly, once you save the table in either diagram, the table is no longer considered "modified" in either diagram.