Oracle 11g sys，system 密码忘记设置解决办法
1.启动sqlplus

2.请输入用户名: sqlplus/as sysdba

3.输入口令: 直接回车

4.连接到:

Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production

With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL>alter user sys identified by admin;

用户已更改。



SQL> conn sys/admin as sysdba;
已连接。

SQL> alter user system identified by manager;



用户已更改。

就搞定啦！