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--´Ë´úÂ뽫±¾µØËùÓеÄÓû§Êý¾Ý¿â±¸·Ýµ½¹²ÏíĿ¼¡°\\backupServerIp\ShareName\Êý¾Ý¿â±¸·Ý¡±Ï¡£
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sp_configure 'xp_cmdshell',1
GO
RECONFIGURE
GO

--´´½¨Ó³Éä
execmaster..xp_cmdshell 'net use T: \\backupServerIp\ShareName "password" /user:uonun',NO_OUTPUT
GO

declare@keepNDays int,@s nvarchar(max),@del nvarchar(max)
select @keepNDays = 30,@backupSql='',@delSql=''

select
   @backupSql=@backupSql+
        char(13)+'DBCC SHRINKDATABASE(N'''+Name+''', 10, TRUNCATEONLY)'+    --ÊÕËõÊý¾Ý¿â
        char(13)+'backup database  '+quotename(Name)+'  to disk =''T:\Êý¾Ý¿â±¸·Ý\'+Name+'_'+convert(varchar(8),getdate(),112)+'.bak''  with init',    --±¸·ÝÊý¾Ý¿â
    @delSql=@delSql+
        char(13)+'exec master..xp_cmdshell '' del T:\Êý¾Ý¿â±¸·Ý\'+Name+'_'+convert(varchar(8),getdate()-@keepNDays,112)+'.bak'', NO_OUTPUT'   --ɾ³ý¹ýÆÚ±¸·Ý

frommaster..sysdatabases wheredbid>6 order bydbid asc   --²»±¸·ÝϵͳÊý¾Ý¿â(sql 2008)£¬Èç¹ûÊÇSql 2000£¬ÔòΪ¡°dbid>6¡±¡£

exec(@del)
exec(@s)
GO

--ɾ³ýÓ³Éä
execmaster..xp_cmdshell 'net use T: /delete', NO_OUTPUT
GO

sp_configure 'xp_cmdshell',0
GO
RECONFIGURE
GO


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