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1. ¼ì²éÖ÷»úÃû/IP¡¢¶Ë¿ÚÊÇ·ñÕýÈ·
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2. ¿´em, isqlplus·þÎñÊÇ·ñÆðÆô¶¯£¬×´Ì¬ÊÇ·ñÕý³£
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emca -config dbcontrol db
ɾ³ýÊý¾Ý¿âµÄ Database ControlÅäÖÃ
emca -deconfig dbcontrol db
ÖØÐÂÅäÖÃdb controlµÄ¶Ë¿Ú£¬Ä¬È϶˿ÚÔÚ1158
emca -reconfig ......

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¡¡¡¡create database mydb
¡¡¡¡controlfile reuse
¡¡¡¡maxinstances 1
¡¡¡¡maxloghistory 1
¡¡¡¡maxlogfiles 5
¡¡¡¡maxlogmembers 5
¡¡¡¡maxdatafiles 100
¡¡¡¡datafile '$ORACLE_HOME/oradata/system01.dbf'size 325M reuse
¡¡¡¡autoextend on next 10240K maxsize unlimited
¡¡¡¡undo tablespace D_DUTSCR
¡¡¡¡datafile '/$ORACLE_HOME/oradata/undo01.dbf' SIZE 40M reuse
¡¡¡¡character set AL32UTF8
¡¡¡¡national character set UTF8
¡¡¡¡logfile
¡¡¡¡'$ORACLE_HOME/oradata/redo01.log' size 100M reuse,
¡¡¡¡'$ORACLE_HOME/oradata/redo02.log' size 100M reuse,
¡¡¡¡'$ORACLE_HOME/oradata/redo03.log' size 100M reuse,
¡¡¡¡'$ORACLE_HOME/oradata/redo04.log' size 100M reuse
¡¡¡¡default temporary tablespace TEMP
¡¡¡¡tempfile
¡¡¡¡'$ORACLE_HOME/oradata/temp01.dbf' size 50M reuse
¡¡¡¡extent management local uniform size 1M;
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NLSRTL Version 10.2.0.1.0 - Production
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EMCA ¿ªÊ¼ÓÚ 2006-11-2 22:32:43
EM Configuration Assistant 10.2.0.1.0 Õýʽ°æ
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¼àÌý³ÌÐò¶Ë¿ ......

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--- 2010-05-31 22:56:43
---- ¹Ø¼ü×Ö£º oracle ·ÖÒ³ rownum
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select * from
( select rownum rnm, a.* from ( select OBJECT_NAME from DBA_OBJECTS where object_type='TABLE' ) a
    where rownum <= 200 )
where rnm > 100
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SQL> select * from
2 ( select rownum rnm, a.* from ( select OBJECT_NAME from DBA_OBJECTS where object_type='TABLE' ) a
3 where rownum <= 200 )
4 where rnm > 100
5 ;
RNM OBJECT_NAME
---------- --------------------------------------------------------------------------------------------------- ......

Ajax½éÉÜ XMLHttpRequest

Ajax½éÉÜ
AJAX - ä¯ÀÀÆ÷Ö§³Ö
AJAX µÄÒªµãÊÇ XMLHttpRequest ¶ÔÏó¡£²»Í¬µÄä¯ÀÀÆ÷´´½¨ XMLHttpRequest ¶ÔÏóµÄ·½·¨ÊÇÓвîÒìµÄ¡£IE ä¯ÀÀÆ÷ʹÓà ActiveXObject£¬¶øÆäËûµÄä¯ÀÀÆ÷ʹÓÃÃûΪ XMLHttpRequest µÄ JavaScript ÄÚ½¨¶ÔÏó¡£ÈçÐèÕë¶Ô²»Í¬µÄä¯ÀÀÆ÷À´´´½¨´Ë¶ÔÏó£¬ÎÒÃÇҪʹÓÃÒ»Ìõ "try and catch" Óï¾ä¡£
<script type="text/javascript">
function ajaxFunction()
 {
 var xmlHttp;
 try{
xmlHttp=new XMLHttpRequest();// Firefox, Opera 8.0+, Safari
}
 catch (e) {
   try{
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");// Internet Explorer 6.0+
      }
   catch (e) {
      try{
         xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");// Internet Explorer 5.5
         }
      catch (e) {
         alert("ÄúµÄä¯ÀÀÆ÷²»Ö§³ÖAJAX£¡");
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Ajax¼¼ÊõÒѾ­µÃµ½ºÜ¹ã·ºµÄÓ¦Óã¬ÔÚWeb¿ª·¢ÖÐÆäºËÐľÍÔÚÓÚÒ첽ͨÐź;ֲ¿Ë¢Ð£¬¼«´óµØ¸ÄÉÆÁËÓû§ÌåÑ飬ÓÈÆäÊʺÏÓÚ¸ßÆµ¶È¡¢µÍÊý¾ÝÁ¿µÄ³¡¾°¡£ÔÚ²»Ê¹ÓÃAjaxµÄWebÓ¦ÓÃÖУ¬Ò»¸öÒ³Ãæ´¦ÀíÖÐÖ»ÓÐÒ»´ÎÇëÇ󣬿ͻ§¶Ë´¦ÀíÍêºóÒ»´ÎÐÔÌá½»£¬ÕâÖÖÒ»´ÎÇëÇóºÍÒ»´ÎÌá½»µÄ´¦Àí¿ÉÄܱȽϺÄʱ£¬´Ó¶øÔì³É¿Í»§µÈ´ý£¬Ê¹ÓÃAjax°ÑÕâÒ»´ÎÇëÇóºÍÒ»´ÎÌá½»·Ö¸î³ÉÁ˶à´ÎСµÄÇëÇóºÍÌá½»£¬ÏÈ´¦Àí×î¹Ø¼üµÄ²¿·Ö£¬ÆäËû´¦Àí¿ÉÒÔÒÔÒì²½µÄ·½Ê½ºǫ́´¦Àí£¬¶Ô½çÃæµÄ¸üÐÂÒ²¿ÉÒÔ×öµ½Ö»Ë¢ÐÂÐèÒª¸üеIJ¿·Ö£¬²»ÐèÒªÕû¸öÒ³ÃæÌá½»ÔÙˢС£AjaxµÄ´¦ÀíģʽºÍ´«Í³µÄHttpÇëÇóģʽÊÇÒ»ÑùµÄ£¬Ò²ÊÇÓпͻ§¶Ë·¢³öHttpÇëÇ󣬷þÎñ¶Ë´¦ÀíÒÔºó·µ»ØÊý¾Ý£¬ÊÇÒ»ÖÖÀ­µÄģʽ¡£
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