Oracle的sysbda密码忘掉，修改sysdba密码
在忘掉SYSDBA的情况下可以修改SYSDBA的密码。前提是找到oracle的安装路径。在\oracle\product\11.2.0\dbhome_1\database 目录下有
在忘掉SYSDBA的情况下可以修改SYSDBA的密码。前提是找到Oracle的安装路径。
在\oracle\product\11.2.0\dbhome_1\database 目录下有PWDsid.ora的文件字样，这是存储用户账号和密码信息的文件，sid代表你的数据库实例名，，此文件无法用文本编辑。删掉。
在DOS下面使用orapwd.exe，如果无法运行请查询oracle的环境变量是否正确。
orapwd file= PWDsid.ora password=123456这个命令是修改sys用户的密码。你把生成的文件覆盖原来的密码文件。除sys和system其他用户的密码不会改变。
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