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×÷Õß: wmlm(http://wmlm.itpub.net)
·¢±íÓÚ:2008.12.02 18:17
·ÖÀà: oracle
³ö´¦£ºhttp://wmlm.itpub.net/post/12871/474762
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rm -Rf /etc/oratab
rm -Rf /etc/oraInst.loc
rm -Rf /etc/ora_save*
rm -Rf /tmp/.oracle
rm -Rf /tmp/OraInstall*
rm -Rf /opt/app/oracle
rm -Rf /opt/app/oraInventory
rm -Rf /opt/oradata
rm -Rf /ww/arch1
rm -Rf /ww/arch2
su - oracle
vi .profile
remove the items about oracle 11g
ÔÚrootÖ´ÐÐrootpre.shµÄʱºò£¬Èôoracle½ø³ÌûÓÐɱËÀ£¬ÔËÐÐ
 ps -eaf | grep ora_smon
È»ºókill -9
һֱ˵Êý¾Ý¿âûÓÐmount £¬Ô­ÒòΪ sidºÍ´´½¨Êý¾Ý¿âµÄsid²»Ò»Ö £¬¿ÉÒÔ export ORACLE_SID=xxxÀ´ÒýÈëеġ£
LinuxÏÂOracle10g²»ÄÜÆô¶¯Ö® could not open parameter file
¹Ø¼ü×Ö: oracle lrm-00109: could not open parameter file '/opt/oracle
½ñÌ쿪·¢·þÎñÆ÷ͻȻÁ¬½Ó²»ÉÏ£¬sqlplus /nolog¡¢conn /as sysdba¡¢startupÃüÁîºóÏÔʾ
SQL> startup
ORA-01078: failure in processing system parameters
LRM-00109: could not open parameter file '/opt/oracle10g/product/10.2/db_1/dbs/initORA10G.ora'
²éÕÒÎļþ£¬¹ûÈ»²»´æÔÚ¡£¹À¼ÆÊÇ·Ç·¨¹Ø»úÔì³ÉµÄ¡£
ÕâÊÇÒòΪÔÚoracle9iºÍoracle10gÖУ¬oracleĬÈϽ«Ê¹ÓÃspfileÆô¶¯Êý¾Ý¿â£¬Èç¹ûspfile²»´æÔÚ£¬Ôò¾Í»á³öÏÖÉÏÊö´íÎó¡£
½â¾ö·½·¨1£¨ÒѾ­ÑéÖ¤£©£º
½«$ORACLE_BASE/admin /Êý¾Ý¿âÃû³Æ/pfileĿ¼ÏµÄinit.ora.012009233838ÐÎʽµÄÎļþcopyµ½$ORACLE_HOME/dbsĿ¼Ï initoracle.ora¼´¿É¡££¨×¢£ºinitoracle.oraÖеÄoracleΪÄãµÄʵÀýÃû ORACLE_SID£©
½â¾ö·½·¨2£º
ÓÃoraenvÃüÁî來¸Ä變當ǰ環¾³µÄSID,È»ááÓÃpfileÖØÐÂ產Éúspfile,¾Í¿ÉÒÔ啟動數據庫ÁË.
¸Ä變SID:
[oracle@willie root]$ source oraenv
ORACLE_SID = [oracle] ? test1
bash: /root/.bashrc: Permission denied
ÖØÐÂ產Éúspfile:
SQL> create spfile from pfile;
File created.
SQL> startup
ORACLE instance started.
ÔÚtoadн¨Óû§Ã»ÓÐȨÏÞ·ÃÎÊ£¬³öÏÖora-01045
ÔÚsysÏÂÔËÐÐgrant connect,resource to  dosc;


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SELECT i.ksppinm NAME, i.ksppity TYPE, v.ksppstvl VALUE, v.ksppstdf isdefault
  from x$ksppi i, x$ksppcv v
 WHERE i.indx = v.indx
   AND i.ksppinm LIKE '\_%&par%' ESCAPE '\';
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dualÊÇÒ»¸öÐéÄâ±í£¬ÓÃÀ´¹¹³ÉselectµÄÓï·¨¹æÔò£¬oracle±£Ö¤dualÀïÃæÓÀÔ¶Ö»ÓÐÒ»Ìõ¼Ç¼¡£ÎÒÃÇ¿ÉÒÔÓÃËüÀ´×öºÜ¶àÊÂÇ飬ÈçÏ£º
1¡¢²é¿´µ±Ç°Óû§£¬¿ÉÒÔÔÚ SQL PlusÖÐÖ´ÐÐÏÂÃæÓï¾ä select user from dual;
2¡¢ÓÃÀ´µ÷ÓÃϵͳº¯Êý
    select to_char(sysdate,'yyyy-mm-dd hh24:mi:ss') from dual;--»ñµÃµ±Ç°ÏµÍ³Ê±¼ ......

ѧϰ¡¶Oracle 9i10g±à³ÌÒÕÊõ¡·µÄ±Ê¼Ç (Æß) Îļþ

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Oracle µÄdrop table if exists¹¦ÄÜ

Oracle´´½¨±íʱ£¬³£Óöµ½ÏÈɾ³ýºó´´½¨µÄÇé¿ö£¬¶øËüÓÖûÓÐdrop table... if existsÓï·¨¡£Îª´Ë¿ÉÒÔʹÓÃuser_objectsÊý¾Ý×ÖµäºÍ¶¯Ì¬sqlÓï¾äʵÏÖÀàËÆµÄ¹¦ÄÜ£¬ÈçÏÂËùʾ£º
create or replace procedure proc_dropifexists(
    p_table in varchar2
) is
    v_count number(10);
begin
&nbs ......
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