Methods for completely deleting an Oracle database

Many of my friends only use oracle to delete the system. However, in many cases, he may find that the next installation page disappears when the system is re-installed, and he may have to reinstall the system, in fact, this is not the case if your database is not deleted.

Implementation Method:

1. Start-> Settings-> Control Panel-> management tools-> services

Stop all Oracle services.

2. Start-> Program-> Oracle-OraHome81-> Oracle Installation Products->

Universal Installer

Unmount all Oracle products, but the Universal Installer cannot be deleted.

5. Run regedit, select HKEY_LOCAL_MACHINESOFTWAREORACLE, and press del to delete the entry.

6. Run regedit, select HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServices, and scroll

Delete all Oracle entries.

7. Run refedit,

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesEventlogApplication,

Delete all Oracle entries.

8. Start-> set-> Control Panel-> system-> advanced-> environment variable

Delete Oracle settings in the environment variables CLASSPATH and PATH

9. Delete all groups and icons related to Oracle from the desktop, STARTUP group, and program menu.

10. Delete the Program FilesOracle directory

11. restart the computer to completely delete the Oracle directory.

12. Delete Oracle-related files and select the default directory C: Oracle where Oracle is located. Delete

And delete the following files from the Windows 2000 directory (generally C: WINNT ).

ORACLE. INI, oradim73.INI, oradim80.INI, oraodbc. ini, and so on.

13. If the [ORACLE] Tag segment exists in the WIN. ini file, delete it.

14. If necessary, delete all Oracle-related ODBC DSN

15. In Event Viewer, delete Oracle-related logs.

Note:

If some DLL files cannot be deleted, You can restart and start new installation. Select a new directory during installation. After the installation is completed and restarted, the old directory and files can be deleted.

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