To uninstall an Oracle database,: 1. Back up the database; 2. Close the Oracle service; 3. Find the Oracle installation directory; 4. Run uninstall.exe and select the uninstall option; 5. Restart the computer; 6. Optionally delete the Oracle folder.
How to uninstall Oracle database on Windows system
Step 1: Backup the database
Before uninstalling Oracle databases, it is highly recommended to back up all database files. This will ensure that you can recover your data when there are any problems during the uninstall process.
Step 2: Close all Oracle services
In Windows Task Manager, close all running Oracle services, including OracleService[SID], OracleOraDb11g_home1TNSListener, and OracleDBConsole[SID].
Step 3: Find the Oracle installation directory
By default, Oracle is installed in the C:\oraclexe\ directory. If you installed it elsewhere, navigate to that directory.
Step 4: Run the uninstall tool
In the Oracle installation directory, find the file named setup.exe. Double-click it to start the Uninstall Wizard.
Step 5: Select the Uninstall Option
In the Uninstall Wizard, select the "Delete Database Software" option and click Next.
Step 6: Restart the computer
After the uninstall wizard is completed, you will be prompted to restart the computer. Please restart to complete the uninstall process.
Optional steps: Delete Oracle folder
After uninstalling, you can manually delete the Oracle installation directory. By default, it is located in C:\oraclexe\.
Notice:
- Uninstalling the Oracle database deletes all relevant files and settings.
- If you encounter any problems, please refer to the official Oracle documentation or seek professional help.
- Uninstalling an Oracle database does not delete database files or user data. You need to delete these files manually, if you do not want to keep them.
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