Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

SQL »ñȡϵͳÎļþ

--»ñµÃµ±Ç°ËùÓÐÇý¶¯Æ÷
exec master.dbo.xp_availablemedia
--»ñµÃ×ÓĿ¼Áбí
exec master.dbo.xp_subdirs 'c:\'
--»ñµÃËùÓÐ×ÓĿ¼µÄĿ¼Ê÷½á¹¹
exec master.dbo.xp_dirtree 'c:\'
--¶©ÔÄÎļþɾ³ý
declare @tempTable table (Cont varchar(50))
declare @strTemp varchar(50)
declare @dirPath varchar(50)
declare @dirOrder varchar(50)
declare @delpath varchar(50)
declare @delOrder varchar(50)
set @dirPath = 'C:\ddt\unc\ZF_TEST_BB\'
set @dirOrder = 'dir '+@dirPath
set @delpath = 'rd/q/s '+@dirPath
insert into @tempTable(Cont) exec master.dbo.xp_cmdshell @dirOrder
DECLARE authors_cursor CURSOR FOR
 select Cont from @tempTable
 where (Cont not like '%'+CONVERT(varchar(50),month(GETDATE()))+'-'+CONVERT(varchar(50),day(GETDATE()))+'%')
 and (Cont like '%'+CONVERT(varchar(50),year(GETDATE()))+'-%')
 OPEN authors_cursor
  FETCH NEXT from authors_cursor into @strTemp
  While @@FETCH_STATUS = 0
  Begin
   set @delOrder = @delpath+ right(@strTemp,14);
   print @delOrder
--   exec master.dbo.xp_cmdshell @delOrder
  FETCH NEXT from authors_cursor into @strTemp
  End
 CLOSE authors_cursor
DEALLOCATE authors_cursor


Ïà¹ØÎĵµ£º

SQLÓï¾äµÄMINUS,INTERSECTºÍUNION ALL

SQLÓï¾äÖеÄÈý¸ö¹Ø¼ü×Ö:MINUS(¼õÈ¥),INTERSECT(½»¼¯)ºÍUNION ALL(²¢¼¯);
¹ØÓÚ¼¯ºÏµÄ¸ÅÄî,ÖÐѧ¶¼Ó¦¸Ãѧ¹ý,¾Í²»¶à˵ÁË.ÕâÈý¸ö¹Ø¼ü×ÖÖ÷ÒªÊǶÔÊý¾Ý¿âµÄ²éѯ½á¹û½øÐвÙ×÷,ÕýÈçÆäÖÐÎĺ¬ÒåÒ»Ñù:Á½¸ö²éѯ,MINUSÊÇ´ÓµÚÒ»¸ö²éѯ½á¹û¼õÈ¥µÚ¶þ¸ö²éѯ½á¹û,Èç¹ûÓÐÏཻ²¿·Ö¾Í¼õÈ¥Ïཻ²¿·Ö;·ñÔòºÍµÚÒ»¸ö²éѯ½á¹ûûÓÐÇø±ð. INTERSECTÊÇÁ½¸ö² ......

SQL Server´¥·¢Æ÷´´½¨¡¢É¾³ý¡¢Ð޸ġ¢²é¿´Ê¾Àý½Ì³Ì

Ò»﹕
´¥·¢Æ÷ÊÇÒ»ÖÖÌØÊâµÄ´æ´¢¹ý³Ì﹐Ëü²»Äܱ»ÏÔʽµØµ÷ÓÃ﹐¶øÊÇÔÚÍù±íÖвåÈë¼Ç¼﹑¸üмǼ»òÕßɾ³ý¼Ç¼ʱ±»×Ô¶¯µØ¼¤»î¡£ËùÒÔ´¥·¢Æ÷¿ÉÒÔÓÃÀ´ÊµÏÖ¶Ô±íʵʩ¸´ÔÓµÄÍê
ÕûÐÔÔ¼`Êø¡£
        
¶þ﹕ SQL
ServerΪÿ¸ö´¥·¢Æ÷¶¼´´½¨ÁËÁ½¸öרÓñí᥮ ......

ͨ¹ýSQL´úÂëÊÕËõÊý¾Ý¿â

 
/*------------------------------------------------------------------
--  Author : htl258(Tony)
--  Date   : 2010-04-16 14:30:23
--  Version: Microsoft SQL Server 2008 (RTM) - 10.0.1600.22 (Intel X86)
    Jul  9 2008 14:43:34
  &nb ......

Ö彨ÀÏʦµÄSQLÈ«½Ç/°ë½Çת»»

if   exists   (select   *   from   dbo.sysobjects   where   id   =   object_id(N'[dbo].[f_convert]')   and   xtype   in   (N'FN',   N'IF',   N'TF'))&n ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ