This document provides guidelines to install Oracle 10g database on Microsoft Windows environment. If you use other operating system other than Microsoft Windows, the process is not too much different from that of Microsoft Windows, since Oracle uses Oracle Universal Installer to install its software.
For more information about installing Oracle 10g under operating systems other than Microsoft Windows, please refer to this URL :
http://www.oracle.com/pls/db102/homepage
How to get Oracle 10g :
You can download Oracle 10g database from www.oracle.com. You must registered and create an account before you can download the software. The example in this document uses Oracle Database 10g Release 2 (10.2.0.1.0) for Microsoft Windows.
How to uninstall Oracle database software :
Uninstall all Oracle components using the Oracle Universal Installer (OUI).
Run regedit.exe and delete the HKEY_LOCAL_MACHINE/ SOFTWARE/ORACLE key. This contains registry entire for all Oracle products.
Delete any references to Oracle services left behind in the following part of the registry: HKEY LOCAL MACHINE/ SYSTEM/ CurrentControlsSet/ Services/Ora*. It should be pretty obvious which ones relate to Oracle
Reboot your machine.
Delete the C: \Oracle directory, or whatever directory is your Oracle_Base.
Delete the C:\Program Files \Oracle directory.
Empty the contents of your c:\temp directory.
Empty your recycle bin.