http://blog.csdn.net/machinecat0898/article/details/7792471 完全卸载oracle11g步骤: 1、 开始->设置->控制面板->管理工具->服务 停止所有Oracle服务。 2、 开始->程序->Oracle - OraHome81->Oracle Installation Products-> Universal
http://blog.csdn.net/machinecat0898/article/details/7792471
完全卸载oracle11g步骤:
1、 开始->设置->控制面板->管理工具->服务 停止所有Oracle服务。
2、 开始->程序->Oracle - OraHome81->Oracle Installation Products-> Universal Installer,单击“卸载产品”-“全部展开”,选中除“OraDb11g_home1”外的全部目录,删除。
5、 运行regedit,选择HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE,按del键删除这个入口。
6、 运行regedit,选择HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services,滚动这个列表,删除所有Oracle入口(以oracle或OraWeb开头的键)。
7、 运行refedit,HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Eventlog\Application,删除所有Oracle入口。
8、 删除HKEY_CLASSES_ROOT目录下所有以Ora、Oracle、Orcl或EnumOra为前缀的键。
9、 删除HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrder\Start Menu\Programs中所有以oracle开头的键。
10、删除HKEY_LOCAL_MACHINE\SOFTWARE\ODBC\ODBCINST.INI中除Microsoft ODBC for Oracle注册表键以外的所有含有Oracle的键。
11、我的电脑-->属性-->高级-->环境变量,删除环境变量CLASSPATH和PATH中有关Oracle的设定。
12、从桌面上、STARTUP(启动)组、程序菜单中,删除所有有关Oracle的组和图标。
13、删除所有与Oracle相关的目录(如果删不掉,重启计算机后再删就可以了)包括:
1.C:\Program file\Oracle目录。
2.ORACLE_BASE目录(oracle的安装目录)。
3.C:\WINDOWS\system32\config\systemprofile\Oracle目录。
4.C:\Users\Administrator\Oracle或C:\Documents and Settings\Administrator\Oracle目录。
5.C:\WINDOWS下删除以下文件ORACLE.INI、oradim73.INI、oradim80.INI、oraodbc.ini等等。
6.C:\WINDOWS下的WIN.INI文件中若有[ORACLE]的标记段,删除该段。
14、如有必要,删除所有Oracle相关的ODBC的DSN
15、到事件查看器中,删除Oracle相关的日志 说明: 如果有个别DLL文件无法删除的情况,则不用理会,重新启动,开始新的安装,安装时,选择一个新的目录,则,安装完毕并重新启动后,老的目录及文件就可以删除掉了。

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