How to uninstall oracle and uninstall oracle

How to uninstall oracle and uninstall oracle

Oracle Database, also known as Oracle RDBMS, or Oracle for short. It is a relational database management system of oracle. It still occupies a major share in the database market. Lawrence herison and his friends, former colleagues Bob Miner and Ed Oates established the Software Development lab Consulting Company (SDL, Software Development Lab) in 1977.

Tools/Raw Materials

• Built-in Windows tools

• Oracle

• CMD

Method/step
How to completely uninstall oracle

Software environment:
1. Windows xp + ORACLE 8.1.7
2. ORACLE installation path: C: \ ORACLE
Implementation Method:
1. Start-> Settings-> Control Panel-> management tools-> services
Stop all Oracle services.
2. Start-> Program-> Oracle-OraHome81-> Oracle Installation Products->
Universal Installer
Unmount all Oracle products, but the Universal Installer cannot be deleted.
5. Run regedit, select HKEY_LOCAL_MACHINE \ SOFTWARE \ ORACLE, and press del to delete the entry.
6. Run regedit, select HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services, and scroll
Delete all Oracle entries.
7. Run refedit,
HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ Eventlog \ Application,
Delete all Oracle entries.
8. Start-> set-> Control Panel-> system-> advanced-> environment variable
Delete Oracle settings in the environment variables CLASSPATH and PATH
9. Delete all groups and icons related to Oracle from the desktop, STARTUP group, and program menu.
10. Delete \ Program Files \ Oracle directory
11. restart the computer to completely delete the Oracle directory.
12. Delete Oracle-related files, and select the default Oracle directory C: \ Oracle.
And delete the following files from the Windows 2000 directory (generally C: \ WINNT ).
ORACLE. INI, oradim73.INI, oradim80.INI, oraodbc. ini, and so on.
13. If the [ORACLE] Tag segment exists in the WIN. ini file, delete it.
14. If necessary, delete all Oracle-related ODBC DSN
15. In Event Viewer, delete Oracle-related logs.
Note:
If some DLL files cannot be deleted, You can restart and start a new installation,
During installation, select a new directory. After the installation is completed and restarted, the old directory and files can be deleted.

Oracle is not installed properly. We recommend that you reinstall it. You 'd better delete the previously installed oracle database first. It is a bit complicated to delete oracle in win. If a client is installed, such a service should exist in the service.

OracleMTSRecoveryService
The procedure is as follows:
Delete Oracle in Windows

Oracle products, Oracle services, and registry information can be completely deleted (of course, oracle is rarely deleted, and it is only done when you are sure you do not need it ).
Back up all related files if necessary.

NT environment:
1. log on to the NT Administrator
2. Stop all ORACLE services through the control panel> Service
3. Open the Registry (REGEDIT command) and delete it.
HKEY_LOCAL_MACHINESOFTWAREORACLE
4. HKEY_LOCAL_MACHINE--SYSTEM in -- CurrentControlSet -- Services Delete all Services starting with ORACLE
5. Delete the full text of HKE ......>

How to completely uninstall oracle

Software environment:
1. Windows xp + ORACLE 8.1.7
2. ORACLE installation path: C: \ ORACLE
Implementation Method:
1. Start-> Settings-> Control Panel-> management tools-> services
Stop all Oracle services.
2. Start-> Program-> Oracle-OraHome81-> Oracle Installation Products->
Universal Installer
Unmount all Oracle products, but the Universal Installer cannot be deleted.
5. Run regedit, select HKEY_LOCAL_MACHINE \ SOFTWARE \ ORACLE, and press del to delete the entry.
6. Run regedit, select HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services, and scroll
Delete all Oracle entries.
7. Run refedit,
HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ Eventlog \ Application,
Delete all Oracle entries.
8. Start-> set-> Control Panel-> system-> advanced-> environment variable
Delete Oracle settings in the environment variables CLASSPATH and PATH
9. Delete all groups and icons related to Oracle from the desktop, STARTUP group, and program menu.
10. Delete \ Program Files \ Oracle directory
11. restart the computer to completely delete the Oracle directory.
12. Delete Oracle-related files, and select the default Oracle directory C: \ Oracle.
And delete the following files from the Windows 2000 directory (generally C: \ WINNT ).
ORACLE. INI, oradim73.INI, oradim80.INI, oraodbc. ini, and so on.
13. If the [ORACLE] Tag segment exists in the WIN. ini file, delete it.
14. If necessary, delete all Oracle-related ODBC DSN
15. In Event Viewer, delete Oracle-related logs.
Note:
If some DLL files cannot be deleted, You can restart and start a new installation,
During installation, select a new directory. After the installation is completed and restarted, the old directory and files can be deleted.

Oracle is not installed properly. We recommend that you reinstall it. You 'd better delete the previously installed oracle database first. It is a bit complicated to delete oracle in win. If a client is installed, such a service should exist in the service.

OracleMTSRecoveryService
The procedure is as follows:
Delete Oracle in Windows

Oracle products, Oracle services, and registry information can be completely deleted (of course, oracle is rarely deleted, and it is only done when you are sure you do not need it ).
Back up all related files if necessary.

NT environment:
1. log on to the NT Administrator
2. Stop all ORACLE services through the control panel> Service
3. Open the Registry (REGEDIT command) and delete it.
HKEY_LOCAL_MACHINESOFTWAREORACLE
4. HKEY_LOCAL_MACHINE--SYSTEM in -- CurrentControlSet -- Services Delete all Services starting with ORACLE
5. Delete the full text of HKE ......>