SQL server 2005自动备份文件删除

Code

declare @d Nvarchar(64);
set @d = convert(varchar,dateadd(day,-5,getdate()),120);

EXECUTE master.dbo.xp_delete_file 0,N'D:\databack\GFSM',N'bak',@d;

EXECUTE master.dbo.xp_delete_file 0,N'D:\databack\GFSM_KEY',N'bak',@d