Many ways to uninstall Oracle under Linux (GO)

First Kind
# cd/u01/app/oracle/product/11.2.0/client_1/deinstall/
#./deinstall
# rm-rf/u01/app/oracle
# Rm-rf/etc/oratab
# Rm-rf/etc/orainst.loc

The second Kind
1. Run $ORACLE _home/bin/localconfig Delete
2. RM-RF $ORACLE _base/*
3. Rm-f/etc/orainst.loc/etc/oratab
4. Rm-rf/etc/oracle
5. Rm-f/ETC/INITTAB.CSSD
6. Rm-f/usr/local/bin/coraenv/usr/local/bin/dbhome/usr/local/bin/oraenv
7. Rm–rf/opt/orclfmap

Third Kind
1. Delete the $oracle_base/product/orainventory directory;
2. Delete the $oracle_base/product directory;
3. Delete the/etc/oratab file;
4. Delete the files associated with the "ora" keyword in the/tmp/directory;
5. Remove Oracle-related content from the/opt/directory;
Several files under the 6./usr/local/bin/can be temporarily not deleted. Note Select "Y" when you next install Oracle to run the root.sh script prompt to overwrite the file;
7. Restart the operating system and complete the uninstallation.

Fourth type
Use DBCA to remove the databases.
Use OUI to remove the installation
Physically remove all the instation from your $ORACLE _home and later $ORACLE _home itself.
Want to edit Oratab and remove the entries too.

http://yibingmei.blog.51cto.com/764708/772821

Http://www.blogjava.net/qileilove/archive/2014/06/16/414792.html

Many ways to uninstall Oracle under Linux (GO)