void XrmCombineDatabase(source_db, target_db, override)
      XrmDatabase source_db, *target_db;
      Bool override;
| source_db | Specifies the resource database that is to be merged into the target database. | 
| target_db | Specifies the resource database into which the source database is to be merged. | 
| override | Specifies whether source entries override target ones. |