When you uninstall SQL Server, Oracle, etc. RDMBS, uninstall is not clean, it will not cause problems to re-install. The fundamental research is the legacy of too many registry entries, local files, even hidden files. Article based on personal experience, a little searching finishing some steps cleanly uninstall Oracle, for your reference.
surroundings:
- Oracle 11g 11.2.0.40
- Windwos 7
First, uninstall Oracle
1, the start - "Control Panel -" Administrative Tools - "Service: Stop all Oracle-related services
快捷键：win+r-》services.msc
2. Start - "Programs -" Oracle- "Oracle Installation Products-" Universal Installer: start uninstalling Oracle, in addition to unloading 11g_home1all products outside the
Second, clean up registry entries
1. Registry Cleaner related items
快捷键 win+r-》regedit
- HKEY_LOCAL_MACHINE \ SOFTWARE \ ORACLE remove this directory and all of the following sub-items
- HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services, delete all Oracle directory entry or the beginning of OraWeb
- HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ Eventlog \ Application, delete the directory and all child entries that begin with Oracle
- HKEY_CLASSES_ROOT delete all directory and all child Ora, Oracle, Orcl, EnumOra prefix
- HKEY_CURRENT_USER \ SoftWare \ Microsoft \ Windows \ CurrentVersion \ Explorer \ MenuOrder \ Start Menu \ Programs, Oracle prefix all directories and sub-items
- HKEY_LOCAL_MACHINE \ SOFTWARE \ ODBC \ ODBCINST.INI Microsoft ODBC for Oracle, in addition to all the Oracle-related directory and its children
2. Clear Environment Variables
My Computer -> Properties - "Advanced -" Environment Variables, delete the Path, ClassPath in Oracle-related environment variables
3. Start menu, clear the Oracle directory
4. disk delete Oracle-related directory (do not have access, is locked, and so on, can be released files occupy restart the computer, you can delete)
- C:\Program file\Oracle
- Oracle base directory (the directory)
- C:\Windows\system32\config\systemprofile\Oracle
- C:\Users\Administrator\Oracle
- C: \ windows 下 ORACLE.INI, ORADIM73.INI, ORADIM80.INI, ORAODBC.INI 等
- Event Viewer, delete Oracle-related log
快捷键 win+r-》eventvwr
These are the steps to uninstall Oracle summary, we want to help.
