Software Environment:
1. Windows 2000+oracle 8.1.7
2, the ORACLE installation path is: C:\ORACLE
Implementation method:
1, start-up settings, Control Panel, management tools, services stop all Oracle services.
2, start-up program->oracle-orahome81->oracle installation products-> Universal Installer Uninstall all Oracle products,
But universal installer itself cannot be deleted
3. Run regedit, select Hkey_local_machine\software\oracle, and press Del to delete this entry.
4. Run regedit, select HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services, scroll through this list, and delete all Oracle portals.
5. Run RefEdit, hkey_local_machine\system\currentcontrolset\services\eventlog\application, delete all Oracle portals.
6, start-up, Control Panel, System, advanced environment variable Delete environment variable classpath and path for Oracle settings
7. Remove all Oracle-related groups and icons from the desktop, Startup group, program menu
8. Delete \program Files\oracle Directory
9. Restart the computer to completely remove the Oracle directory after restarting
10. Delete the files associated with Oracle, select the default directory where Oracle is located C:\Oracle,
Delete this entry directory and all subdirectories, and from the Windows 2000 directory (typically C:\WINNT)
Delete the following files Oracle.ini, Oradim73. INI, Oradim80. INI, Oraodbc.ini, and so on.
11, WIN. INI file if there is a [ORACLE] tag segment, delete the segment
12. If necessary, delete all Oracle-related ODBC DSN
13. To the Event Viewer, delete the Oracle-related logs
Note: If there are individual DLL files can not be deleted, then ignore, restart, start a new installation,
When installing, select a new directory, then, after installation and restart, the old directory and files can be deleted.
Completely Remove Oracle