DECLARE @disk VARCHAR(50)
SET @disk = 'C:\DB2backup\Account '+REPLACE(CONVERT(CHAR(16),GETDATE(),20),':','.')+'.BAK'
BACKUP DATABASE Account
TO DISK = @disk
SET @disk = 'C:\DB2backup\authentication '+REPLACE(CONVERT(CHAR(16),GETDATE(),20),':','.')+'.BAK'
BACKUP DATABASE authentication
TO...