oracle 忘记sys 密码后，更改方法

D:\oracle\ora92\bin>sqlplus /nolog

SQL*Plus: Release 9.2.0.1.0 - Production on 星期四 8月 16 11:32:22 2007

Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.

SQL> conn /as sysdba

已连接。

SQL> alter user system identified by password;

用户已更改。

SQL> alter user sys identified by password;

用户已更改。

SQL> alter user system identified by manger;

用户已更改。

SQL> exit

从Oracle9i Enterprise Edition Release 9.2.0.1.0 - Production

With the Partitioning, OLAP and Oracle Data Mining options

JServer Release 9.2.0.1.0 - Production中断开

D:\oracle\ora92\bin>sqlplus

SQL*Plus: Release 9.2.0.1.0 - Production on 星期四 8月 16 11:40:37 2007

Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.

请输入用户名: system

请输入口令:

连接到:

Oracle9i Enterprise Edition Release 9.2.0.1.0 - Production

With the Partitioning, OLAP and Oracle Data Mining options

JServer Release 9.2.0.1.0 - Production

SQL> select instance_name from v$instance;

INSTANCE_NAME

----------------

orcl