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

vb.net SQLÊý¾Ý¿â²Ù×÷£¨¶ÁÈ¡¡¢Ð޸ġ¢É¾³ý£©

        Dim rs As ADODB.Recordset
Dim sqlstr As String
 
'²éѯ
        sqlstr = "select * from ±íÃû where ×Ö¶ÎÃû = '" & ²éѯµÄÄÚÈÝ & "'"
        rs = VScn.Execute("" & SqlSt ......

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 ......

ÓÅ»¯µÄms sql server·ÖÒ³sqlÓï¾ä

ÓÅ»¯µÄms sql server·ÖÒ³sqlÓï¾ä
·¢²¼Ê±¼ä: 2009-8-15 00:00 |  ·¢²¼×÷Õß: hjh |   |  ²é¿´: 3´Î
ÌØµã£ºÒ»´Î²éѯ£¬Êý¾Ý¿âDatabnseÖ»·µ»ØÒ»Ò³µÄÊý¾Ý¡£¶ø·ñÔòÈ¡³öËùÓеÄÊý¾Ý¡£
˵Ã÷£º
pagesize£º ÿҳ³ÊÏּǼÊý
cureentpage£ºµ±Ç°Ò³Êý
select * from ( select TOP pagesize * from ( S ......

MS SQL ServerÁ¬½ÓOracle

1.  °²×°oracle 10G¿Í»§¶Ë
Òª·ÃÎÊoracleÊý¾Ý¿â±ØÐë°²×°oracle¿Í»§¶Ë¡£°²×°oracle¿Í»§¶ËÓÐÁ½ÖÖ·½Ê½£¬¼´ÍêÕû°²×°ºÍÁ¢¼´°²×°£¬ÕâÁ½ÖÖ·½Ê½¶¼¿ÉÒÔ¡£°²×°ÍêºóÅäÖÃÒªÁ´½ÓÊý¾Ý¿â·þÎñÆ÷¡£
$ORACLE_HOME\network\admin\tnsname.ora
ÔÚ´ËÅäÖÃÎļþÀïÌí¼ÓÈçÏÂÄÚÈÝ£º
sunora =
  (DESCRIPTION =
    ......

SQL Server [·Ö²¼Ê½²éѯ/ÊÂÎñ]

·Ö²¼Ê½²éѯ
    OPENROWSET
    ´ÓExcelÈ¡Êý¾Ý
    SELECT * from OPENROWSET('Microsoft.Jet.OLEDB.4.0','Excel 8.0;Database=d:\1.xls',[Sheet1$])
    ´ÓOracleÈ¡Êý¾Ý
    SELECT * from OPENROWSET('MSDAORA.1','NetServiceName ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ