I use the handy Database Diagramming tool in SQL Server 2008 for creating and managing relationships. I have exported the sourceDB to the destinationDB but the diagram does
As in C Isaze answer, there are three simple steps:
1- Create the same number of "dummy" diagrams in the target server where you want to copy the diagrams
2- Add the target server as a Linked Server in the source server
3- run this script on source server
update [LINKEDSERVER].TARGETDB.[dbo].sysdiagrams set [definition]=
(SELECT [definition] from SOURCEDB.[dbo].sysdiagrams WHERE diagram_id = 1)
where diagram_id=1