declare @file nvarchar(255)
 
SELECT @file = N'E:\DB\Microsoft SQL Server 2008 R2\MSSQL10_50.MSSQLSERVER\MSSQL\Backup\' + REPLACE(convert(varchar,GEtDate(),102),'.','_') +  N'_appel_msnav.bak'

BACKUP DATABASE [appel_msnav] 
TO  DISK = @file 
WITH INIT,  
NAME = N'appel_msnav-Vollständig Datenbank Sichern'
GO