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DECLARE @strPath NVARCHAR(200)
set @strPath = convert(NVARCHAR,getdate(),120)
set @strPath='hq'+rtrim(left(replace(@strPath,'-',''),8))
set @strPath = 'D:\sqlback\mydb\' + @strPath + '.bak'
BACKUP DATABASE [mydb] TO DISK = @strPath WITH NOFORMAT, NOINIT, NAME = N'mydb-ÍêÕû Êý¾Ý¿â ±¸·Ý', SKIP, NOREWIND, NOUNLOAD, STATS = 10
GO
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declare @date nvarchar(20)
set @date=convert(nvarchar,dateadd(d,-1,getdate()),120)
EXECUTE master.dbo.xp_delete_file 0,N'D:\sqlback\mydb',N'bak',@date


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