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µÇ¼oracleʱÔÚWinÖÐʵÏÖ¶ÔosµÄÉóºËÓÐÈçϼ¸²½£º
1¡¢  create  os user id
2¡¢  create  os group   ora_dba(Õâ¸ö×éÖÐÓû§¾ßÓйÜÀíËùÓÐoracle database µÄȨÏÞ),
             ora_sid_dba£¨Ö»ÄܶÔÓ¦µ½ÏàÓ¦sidµÄ¹ÜÀíȨÏÞ¡£ SidÒ²¼´ÏàÓ¦Êý¾Ý¿âµÄsid£©
             ora_oper
             ora_sid_oper£¨SidÒ²¼´ÏàÓ¦Êý¾Ý¿âµÄsid£©
3¡¢   add os user id to ora_dba group
4¡¢   Edit sqlnet.ora(λÖÃΪ oracle\ora90\network\sqlnet.ora)ÔÚÆäÖмÓÒ»Ìõ
 sqlnet.authentication_services(nts)
 
ÀûÓÿÚÁîÎļþÉóºË
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1¡¢  ɾ³ý pwdsidÎļþ£¨sidÒ²¼´Êý¾Ý¿âÏàÓ¦µÄsidºÅ£©£¨Îļþ·¾¶Îª oracle\ora90\database£©
2¡¢  ÔËÐÐÖÐÊäÈëcmd£¬È»ºóʹÓÃorapwd file=d:\oracle\ora90\database\pwdsid.ora password=admin1 entries=10;( entriesÖ¸³öÁËÄÚ¶¨µÄÁ½¸öÓû§Ö®Í⻹¿ÉÒÔÊÚȨ¼¸¸öÓû§ÓйÜÀíԱȨÏÞ¡£10´ú±í¿ÉÒÔÊÚȨ10¸ö).
3¡¢  ÐÞ¸Ä remote_login_passwordfileΪexclusive(²ÎÊýλÓÚoracle\admin\sid\pfile\init).
4¡¢  ÖØÆôÊý¾Ý¿â¡£
5¡¢  Grant sysdba to username; ½«sysdbaȨÏÞ¸³ÓèÓû§¡£
Select * from v$pwfile_users;²é¿´¾ßÓпÚÁî¹ÜÀíȨÏÞµÄÓû§¡£
Revoke sysdba from username; ½«sysdbaȨÏÞ´ÓÓû§ÖÐÄÃ×ß¡£
 
怬sqlplus
1¡¢  ÔÚdosÌáʾ·ûÏÂÊäÈë sqlplus/nolog È»ºó»áÇл»µ½SQL>Ìáʾ·ûÏ¡£
2¡¢  ÔÚdosÌáʾ·ûÏÂÊäÈë sqlplusw/nolog È»ºó»á´ò¿ªsqlplusÌáʾ¿ò¡£


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oracleÊÂÎñ´¦Àí

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×îºÃÉèÖÃÒ»¸ö±£´æµã£¬Àýsavepoint a,»òÕßÖ´ÐÐ exec dbms_transaction.savepoint('a')(Ö´ÐÐǰÐèÒªÖ´ÐÐset serveroutput onÓï¾ä)£»È¡Ïû²¿·ÖÊÂÎñ¾Í¿ÉÒÔʹÓÃrollback to a,»òÕßÖ´ÐÐexec dbms_transaction.rollback_savepoint('a');È¡ÏûÈ«²¿ÊÂÎñ¿ÉÒÔÖ´ÐÐrollback,»òÕßexec dbms_transaction.rollback;
2.Ö»¶ÁÊÂÎñ
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notes oracle undeploy

crsctl stop crs
killall init.crsd
cd /etc/init.d
rm -rf init.crs init.crsd init.cssd init.evmd
rm -rf /tmp/.oracle/
rm -rf /var/tmp/
rm -rf /var/tmp/.oracle/
cd /etc
rm -rf oraInst.loc oracle/ oratab
rm -rf $ORACLE_BASE
dd if=/dev/zero of=/dev/raw/raw_voting_disks bs=1024k
dd if=/dev/zero ......

DB2ºÍORACLEµÄÓ¡Ïó±È½Ï

Ò»¸öÏîÄ¿ÐèÒªDB2£¬ÒÔǰûÓùý£¬ÓÃÁËWINDOWS 2008ϵÄDB29.7 ºÃ¼¸ÖÜ£¬ËãÈëÃÅÁ˰ɣ¬ÏÂÃæÕâÎÄÕ¾͵±Ò»¸öORACLEʹÓÃÕßÑÛÀïµÄDB2µÄÓ¡Ïó°É£¬Ò²ÐíÓÐЩ¶«Î÷¿ÉÄÜÓÐÆ«²î£¬µ«ÊǾÍÊÇÎÒ×Ô¼ºµÄÓ¡Ïó£º
1¡¢Ìåϵ½á¹¹£¬DB2µÄʵÀýºÍÊý¾Ý¿â·Ö¿ªµÄ×ö·¨£¬ÎÒ¸öÈË»¹ÊDZȽÏϲ»¶µÄ£¬ÒòΪʵÀý¿ÉÒÔ´´½¨¶à¸ö£¬Êý¾Ý¿âµÄ»Ö¸´Ö±½Ó»Ö¸´µ½ÊµÀýϾͿÉÒÔÁË£¬Ïà¶ ......

Oracle È¡µÃµ±Ìì0ʱ0·Ö0ÃëºÍ23ʱ59·Ö59Ãë

--È¡µÃµ±Ìì0ʱ0·Ö0Ãë
select TRUNC(SYSDATE) from dual;
--È¡µÃµ±Ìì23ʱ59·Ö59Ãë(ÔÚµ±Ìì0ʱ0·Ö0ÃëµÄ»ù´¡ÉϼÓ1ÌìºóÔÙ¼õ1Ãë)
SELECT TRUNC(SYSDATE)+1-1/86400 from dual;
--È¡µÃµ±Ç°ÈÕÆÚÊÇÒ»¸öÐÇÆÚÖеĵڼ¸Ìì,×¢Ò⣺ÐÇÆÚÈÕÊǵÚÒ»Ìì
select to_char(sysdate,'D'),to_char(sysdate,'DAY') from dual;
--ÔÚoracleÖÐÈçºÎµÃ ......
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