DECLARE @bkfile nvarchar(1000)
SET @bkfile='E:\beifen_db\UCoupon'+replace(replace(replace(CONVERT(varchar, getdate(), 120 ),'-',''),' ',''),':','') +'.bak'
backup database UCoupon to disk=@bkfile
转载于:https://www.cnblogs.com/lilei107/archive/2011/07/26/2117029.html