The following articles teach you how to uninstall Oracle 9i correctly. We uninstall Oracle 9i in the actual operating system of win2000 Enterprise Edition, if you are interested in the actual operations, you can click to view the following articles.
1. Stop all Oracle services
2. Delete All Oracle items in the Registry
1) Delete the Oracle directory under HKEY_LOCAL_MACHINE \ SOFTWARE
2) Delete All Oracle items under HKEY_LOCAL_MACHINE \ SYSTEM \ ControlSet001 \ Services
3) Delete All Oracle items under HKEY_LOCAL_MACHINE \ SYSTEM \ ControlSet002 \ Services
4) Delete All Oracle items under HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services
5) delete all Oracle items under HKEY_CLASSES_ROOT
3. Delete All Oracle files on the hard disk
1) Oracle Installation File
2) Oracle files in the Program files folder under the system directory
4. Restart and uninstall.
The above content is a description of how to uninstall Oracle 9i, hoping to help you in this regard.