How to completely uninstall oracle11g

Oracle in windows is very unstable. If it doesn't work well, it will crash. It takes a long time to refresh it. It is better to unload and reload it.

 

Or

 

 

 

 

After the uninstallation is successful, click Cancel to exit

Delete the HKEY_LOCAL_MACHINE/SOFTWARE/ORACLE directory

Delete all keys starting with Oracle and OraWeb in HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services

Delete all keys starting with Oracle in HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/Eventlog/Application

Delete all keys prefixed with Ora, Oravcle, Orcl, and EnumOra in the HKEY_CLASSES_ROOT directory.

Delete HKEY_CURRENT_USER/Software/Microsoft/Windows/CurrentVersion/Explorer/MenuOrder

/Start menu/keys starting with Oracle in Programs

Delete all Korean Oracle keys except Microsoft forOracle in HKEY_LOCAL_MACHINE/SOFTWARE/ODBC/ODBCINST. INI

Note: Some may have been deleted.

5. Delete the path containing Oracle in the environment variable path and classpath.

6. Delete All oracle icons and folders at the beginning and on the desktop

7. Delete All oracle directories, including the c: // program files/oracle directory. Your oracle Installation Directory

 

Restart your computer to reinstall oracle