How To Uninstall Oracle 11g Windows 7

As you all are aware, the procedure of uninstalling Oracle on Windows is totally different from the traditional step used in uninstalling a program in Windows. The following steps are vital in gild non to encounter an error when reinstalling oracle unto the Server. The uninstallation process is similar to uninstalling Oracle to that of Oracle Database 11g.

Step 1 – Delete the Associated Surround Variable
– Deleting the environment variable would definitely mitigate a whole lot of errors if your programme to re-install the Oracle software.

Many times installation gets stuck due to PRVF-3929 mistake stating that "Environment variable path is too long". In order to avert this fault and to ensure the glitch-free installation of Oracle software, it's recommended to delete the environment variable entry of your Oracle Home.

How to Delete Environment Variable
– Right-click your Computer Icons and Select "Backdrop".
– And so from the left-mitt side panel of the Organization Properties Windows
– Select "Avant-garde Organization Settings".
This will open upward "Arrangement Properties" Windows.

Inside the "System Properties" Windows
– Navigate to "Advance" Tab and select "Surroundings Variable"

On the "Environment Variable" Window inside the "Organization Variable Department" Notice entry with the proper name "Path", and so double click and open it. This step volition open up an "Edit System Variable" dialogue box.
– On that dialogue box under the "Variable value field" find your Oracle Abode entry and Delete information technology.

              C:\oracle\product\eleven.2.0\bin C:\oracle\production\OPatch\            

Step 2 – Delete Registries: During the installation, oracle database makes some registries in windows system to store the data of its configurations as well as for proper functioning of Oracle Windows Services. To Uninstall Oracle Database 12c completely from your system y'all need to properly stop all the Oracle database services which run in the background. Also if you are planning for re-installing the Oracle Database software then you also demand to delete all the configuration settings.

In short to ensure the smooth and errorless re-installation of any version of oracle database software, without formatting your computer system, you need to delete all the Oracle Database Registries.

Registries are very fragile office of any windows system thus messing with them can be catastrophic and can harm your system therefore be careful while deleting them. I would highly suggest you to take their backup.

How to Delete the Oracle Registries : To delete whatsoever registry you demand to first access them and in windows all the registries are placed inside the "Registry Editors". To access the Registry Editor first open up your Run Dialogue Box by pressing Run Windows Key and 'R' key simultaneously or y'all can directly search RUN in your start carte.

From the run window or search button, type "regedit.exe". For more information on "Windows registry", see https://techdirectarchive.com/2020/02/08/what-is-registry-editor-and-how-to-access-the-registry-hives/

regedit.exe

Once y'all have your Run Dialogue box opened then write "regedit" into information technology and press enter. This volition open your "Registry Editor". At present start nosotros have to delete the "Oracle Software" Registry. To access this registry first become the following key.

              - HKEY_LOCAL_MACHINE - SOFTWARE - ORACLE            

Once you lot have reached this directory, correct click and Delete it.

Next, we have to delete all the registries for Oracle Database Services. To access these registries start go to the post-obit key.

              - HKEY_LOCAL_MACHINE - Systems - CurrentControlSet and and so - Services.            

Under the Services directory yous have to detect all the Registries which are responsible for your oracle database services. If Oracle Database 12c is the simply product from Oracle that is installed on your system and then search for all the registries whose names beginning with Oracle and Delete them. If you accept other products from Oracle installed on your organisation and so be careful and delete accordingly. In the screenshot beneath you tin can run into some general Oracle Service Registries.

              - HKEY_LOCAL_MACHINE - SYSTEM - CurrentControlSet - SERVICES            

Step three – Restart your organisation: Next you have to restart your system then that your operating system can alloy in all the settings which we just altered

Step 4 – Delete the Oracle Dwelling Directory: An Oracle domicile is a directory into which all Oracle software is installed. One time yous have deleted all the registries of oracle database 12c you are free to delete the oracle home directory from your arrangement.

In order to delete Oracle Abode open upward your calculator and go to your C drive as well as any other drive where you lot have installed your oracle database 12c. At present go to APP directory, then to the directory with your username hither select all the files and delete them. If you want to salvage backups and so practice non delete flash_recovery_area.

If in instance your folder is not getting deleted then don't worry. First effort to refresh your organisation or y'all can also reboot the organisation then try deleting again. If it is still not deleting then re-check the services and registries and run across whether you have deleted all the oracle registries or not. If non then delete those that are nonetheless left then try deleting the Oracle database folder over again.

Step 5 – Delete Directory from Program File: Next get to your plan file directory and search for the folder with the name Oracle. I take i here and then delete it.

Step half-dozen – Delete Directory from Start Carte du jour: Side by side you have to delete the directory from the Start menu as shown below. For that go to and here search for your Oracle Folder and delete it.

"C:\ProgramData\Microsoft\Windows\Commencement Carte du jour\Programs"

Step seven – Clear the Temporary files and Recycle bin: Once more open up your Run dialogue box and write %temp% this will open the temporary binder and here delete all the files. Next come to your desktop and empty your recycle bin.

Step 8 – Delete the Oracle user: The last step is to delete the oracle dwelling house user which we created during the installation of the oracle database. In lodge to do so, right-click "Estimator Icon" and select "Manage". Inside the computer direction window click "Local User Groups" and then click and open "Users" folders.

From the list of the user, yous can delete the ones which you accept created as an oracle abode user during the installation. In my case, its RebellionRider, right-click and select Delete.

For more than info, see the following link here . I hope you lot constitute this weblog postal service helpful. If you have any questions, delight let me know in the comment session.

Source: https://techdirectarchive.com/2020/04/08/how-to-uninstall-oracle-database-11g-or-12c/

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