How to delete Oracle service (steps)

Oracle services are an important part of many enterprises and institutions used to run and manage databases. However, when you need to reinstall or upgrade your Oracle database, you may need to remove the old Oracle service. If you want to remove Oracle service, you can follow the steps below.

Step 1: Stop the Oracle service

You must stop the Oracle service before performing any operations. Launch the Services app (quickly accessed via the search bar in the Start menu).

In the service list, find all Oracle-related services. These services typically include "OracleService[database instance name]" and "Oracle[listener name]". Click on each service and then click the Stop button.

Please note that when you stop a service, it may take a few minutes for it to stop properly. If you delete a service while it is still running, an error will occur.

Step 2: Delete Oracle Services

Once you have stopped all Oracle services, you can delete these services. Press the Windows key R to open the Run dialog box, enter "services.msc" and press Enter. This will open the Windows Service Manager.

In the service manager, find all Oracle-related services. Right-click on the service you want to remove and select the Stop option. After the service is stopped, right-click it and select Remove.

When a prompt box appears asking if you are sure you want to delete the service, click the "OK" button. Once this is done, the service will be removed from the system.

Step 3: Delete residual files

After deleting the Oracle service, you may still see some residual files. In order to clean Oracle completely, you need to delete these files manually.

Please be careful not to delete any data or folders related to the Oracle database instance. These data and folders should be removed by the Oracle Database software uninstaller.

Delete the following files and folders:

1. Oracle installation directory
2. Oracle start menu folder
3. Oracle registry key

You can use the search function that comes with Windows to find these files and folders. Type "Oracle" and press Enter to search.

Step 4: Check whether it is completely uninstalled

After uninstalling the Oracle service and deleting residual files, you need to ensure that Oracle has been completely uninstalled. You can test whether the system is functioning properly by trying to reinstall Oracle Database.

If these steps are completed and Oracle Database can be installed successfully, then you have successfully removed the Oracle service. If any errors occur, follow the previous steps again, making sure you performed each step correctly.

Summary

Removing Oracle may take some time and effort, but it is an important step to ensure nothing is left on your computer.

Please note that if you are not sure what you are doing, always make a backup before making any changes and keep the backup for future reference.

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