Delete Oracle 11g R2 in Linux 6.4

Delete Oracle 11g R2 in Linux 6.4

Close Database
SQL> shutdown [immediate]

Stop Listener
[Oracle @ ora920 oracle] $ lsnrctl stop

If an application service exists, stop the application service first.
[Oracle @ ora920 oracle] $ ORACLE_HOME/Apache/bin/apachectl stop

Delete the installation directory
[Root @ ora920/root] # rm-rf/opt/oracle/

Delete files under/usr/local/bin
[Root @ OracleTest/root] # rm/usr/local/bin/dbhome
[Root @ OracleTest/root] # rm/usr/local/bin/oraenv
[Root @ OracleTest/root] # rm/usr/local/bin/coraenv

Delete/etc/orata
[Root @ OracleTest/root] # rm/etc/oratab

Delete/etc/oraInst. loc
[Root @ OracleTest/root] # rm/etc/oraInst. loc

Delete an oracle user (if you want to reinstall it, Do not delete it)
[Root @ OracleTest/root] # userdel-r oracle

Delete a user group (to reinstall it, Do not delete it)
[Root @ OracleTest/root] # groupdel oinstall
[Root @ OracleTest/root] # groupdel dba

12. Delete the startup Service
[Root @ OracleTest/root] # chkconfig -- del dbora

Recommended reading:

How to install Oracle 11g on Linux

Detailed description of the installation process of Oracle 11g Database in Linux

How to install Oracle 11g R2 single-instance database on CentOS 5.6

To install Oracle Clusterware on an Oracle vmvm

Install Oracle 11 GB single-instance database on Linux under vmvm