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select * from V$NLS_PARAMETERS
  $conn = oci_connect('scott', 'donkey', 'demo', 'zhs16gbk');
 while ($dat = oci_fetch_row($cur)) {  
    print_r(iconv('gb2312', 'utf-8', $dat[0]));  //$nickname = mb_convert_encoding($dat[0], 'utf-8', 'gbk');  
  } 
 
»òÕß $c1 = oci_connect("scott", "tiger", $db, 'UTF8');
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sql>select * from V$NLS_PARAMETERS Where PARAMETER=''NLS_LANGUAGE'';
±ÈÈç½á¹ûÊÇ"SIMPLIFIED CHINESE”
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export NLS_LANGUAGE="SIMPLIFIED CHINESE"
ÔÚ/etc/init.d/httpdÀï¼ÓÈ룬Դ´úÂë°²×°µÄApacheдһ¸ö½Å±¾µ÷ÓÃapachectl
»òÕßÐèÒª/etc/init.d/httpdÀï¼ÓÈëÀïÒýÈë»·¾³±äÁ¿£¬ÓÉÓÚ±¾»úûÓÐÄǸöÆô¶¯Îļþ£¬ËùÒÔÖ»ÄÜÔÚapachectlÀï¼ÓÈëÈçÏ´úÂ룺
export NLS_LANGUAGE="SIMPLIFIED CHINESE"¡£
·½·¨Èý£ºhttpd.confÀï¼ÓÒ»ÐÐAddDefaultCharset GB2312  /off
·½·¨ËÄ£ºhtmlspecialchars() Ö§³ÖË«×Ö½Ú×Ö·û£¬±ÈÈ纺×Ö
              htmlentities()Ö§³Öµ¥×Ö½Ú×Ö·û
·½·¨Î壺apacheµÄÅäÖÃÎļþÒѾ­¼ÓÁËAddDefaultCharset   GB2312 
             phpµÄÅäÖÃÎļþÒѾ­¼ÓÁË   AddDefaultCharset   GB2312  


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¡¡¡¡ÕâʱÎÒÃǾÍÒªÓõ½ Output Buffer(Êä³ö»º³å) º¯ÊýÁË.
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sql> alter system switch logfile;
2.forcing checkpoints
sql> alter system checkpoint;
3.adding online redo log groups
sql> alter database add logfil ......

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