SQL Server2005维护计划中删除历史备份

 

保留一周的数据

declare @d Nvarchar(64);
set @d = convert(varchar,dateadd(day,-7,getdate()),120);
EXECUTE master.dbo.xp_delete_file 0,N'N:\OA数据备份',N'bak',@d;
EXECUTE master.dbo.xp_delete_file 0,N'N:\OA数据备份',N'bak',@d