Oracle Database, also known as Oracle RDBMS, or Oracle. is a relational database management system of Oracle Corporation. Still occupies a major share of the database market. Ellison and his friends, former colleague Bob Miner and Ed Oates established a software development lab consulting firm in 1977 (Sdl,software Development Laboratories
Tools/Materials
Windows comes with tools
Oracle
Cmd
Method/Step
My Computer right-click Management-> Service to stop all Oracle services.
or Control Panel-> Management Tool-> Service stop all Oracle Services
Start-> Program->oracle->oracle installation products-> Universal Installer Uninstall all Oracle products, but Universal Installer itself cannot be deleted
Click Uninstall Product, select the product you want to uninstall, click the Delete button
Restart the computer after uninstallation is complete
Run regedit, delete hkey_local_machine\software\oracle
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services, scroll through this list and delete all Oracle portals.
Hkey_local_machine\system\currentcontrolset\services\eventlog\application, delete all Oracle portals.
Remove Oracle installation directory, uninstall complete
How Oracle Uninstalls