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1. Óà oracle Óû§µÇ¼
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2. ʹÓà SQL*PLUS Í£Ö¹Êý¾Ý¿â
[oracle@ora920 oracle]$ sqlplus /nolog
SQL> connect / as sysdba
SQL> shutdown [immediate]
SQL> exit
3. ֹͣ Listener
[oracle@ora920 oracle]$ lsnrctl stop
4. Í£Ö¹ HTTP ·þÎñ
[oracle@ora920 oracle]$ $ORACLE_HOME/Apache/Apache/bin/apachectl stop
5. Óà su »òÕßÖØÐµÇ¼µ½ root( ÈçÏëÖØÐ°²×°¿ÉÒÔ±£Áô oracle Óû§£¬Ê¡µÃÊäÈë»·¾³±äÁ¿ÁË )
6. ½«°²×°Ä¿Â¼É¾³ý
[root@ora920 /root]# rm -rf /opt/oracle/
7. ½« /usr/bin ϵÄÎļþɾ³ý
[root@ora920 /root]# rm /usr/bin/dbhome
[root@ora920 /root]# rm /usr/bin/oraenv
[root@ora920 /root]# rm /usr/bin/coraenv
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1. rm -f /etc/oraInst.loc /etc/oratab
2. rm -rf /etc/oracle
3. rm -f /usr/local/bin/coraenv /usr/local/bin/dbhome /usr/local/bin/oraenv
8.
½« /etc/oratab ɾ³ý
[root@ora920 /root]# rm /etc/oratab
9. ½« /etc/oraInst.loc ɾ³ý
[root@ora920 /root]# rm /etc/oraInst.loc
10. ½« oracle Óû§É¾³ý ( ÈôÒªÖØÐ°²×° , ¿ÉÒÔ²»É¾³ý )
[root@ora920 /root]# userdel –r oracle
11. ½«Óû§×éɾ³ý ( ÈôÒªÖØÐ°²×° , ¿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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ssize_t nr;
/* read a couple bytes into 'word' from 'fd' */
nr = read (fd, &word, sizeof (unsigned long));
if (nr == -1)
/* error */
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