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[oracle@ora920 oracle]$ sqlplus /nolog
SQL> connect / as sysdba
SQL> shutdown [immediate]
SQL> exit
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[oracle@ora920 oracle]$ lsnrctl stop
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[oracle@ora920 oracle]$ $ORACLE_HOME/Apache/Apache/bin/apachectl stop
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[root@ora920 /root]# rm -rf /opt/oracle/
7.½«/usr/binϵÄÎļþɾ³ý
[root@ora920 /root]# rm /usr/bin/dbhome
[root@ora920 /root]# rm /usr/bin/oraenv
[root@ora920 /root]# rm /usr/bin/coraenv
8.½«/etc/oratabɾ³ý
[root@ora920 /root]# rm /etc/oratab
9.½«/etc/oraInst.locɾ³ý
[root@ora920 /root]# rm /etc/oraInst.loc
10.½«oracleÓû§É¾³ý(ÈôÒªÖØа²×°,¿ÉÒÔ²»É¾³ý)
[root@ora920 /root]# userdel –r oracle
11.½«Óû§×éɾ³ý(ÈôÒªÖØа²×°,¿ÉÒÔ²»É¾³ý)
[root@ora920 /root]# groupdel oinstall
[root@ora920 /root]# groupdel dba
12.½«Æô¶¯·þÎñɾ³ý
[root@ora920 /root]# chkconfig --del dbora
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