Uninstall oracle on win Platform

 

1. Choose "start"> "Settings"> "Control Panel"> "Management Tools"> "services" to stop all Oracle services;

2. Start->Program-> Oracle-oradb10g_home1> Oracle Installation products-> universal installer uninstalls all Oracle products, but the universal installer itself cannot be deleted;

3. Run regedit, select HKEY_LOCAL_MACHINE \ SOFTWARE \ oracle, and press del to delete the entry;

4. Run regedit and select HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services. Scroll through the list and delete all Oracle entries;

5. Run refedit and select HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ Eventlog \ Application to delete all Oracle entries;

6. Choose "start"> "Settings"> "Control Panel"> "system"> "advanced"> "environment variables" to delete Oracle settings in the environment variables classpath and path;

7. Delete all groups and icons related to Oracle from the desktop, startup group, and program menu;

8. Delete the c: \ Program Files \ oracle directory;

9. restart the computer to completely delete the Oracle directory;

10. Delete Oracle-related files, select the default Oracle directory c: \ oracle, delete the entry directory and all subdirectories, and run the Windows XP directory (generally D: \ Windows) to delete the following file oracle. INI, oradim73.ini, oradim80.ini, oraodbc. INI and so on;

11. Delete the [Oracle] Mark segment in the win. ini file;

12. If necessary, delete all Oracle-related odbc dsn;

13. Delete Oracle-related logs in Event Viewer: if some DLL files cannot be deleted, restart and start a new installation, select a new directory. After installation and restart, the old directory and files can be deleted.