oracle 忘记 system sys用户名密码的解决办法

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Microsoft Windows XP [版本 5.1.2600]

(C) 版权所有 1985-2001 Microsoft Corp.

C:-Documents and Settings-Administrator>sqlplus /nolog

SQL*Plus: Release 10.1.0.2.0 - Production on 星期六 6月 26 11:08:34 2010

Copyright (c) 1982, 2004, Oracle.All rights reserved.

SQL> conn /as sysdba

Connected.

SQL> alter user system identified by "123456";

User altered.

SQL> alter user sys identified by "123456";

User altered.

SQL> alter user system identified by "123456";

User altered.

SQL> exit

Disconnected from Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - Pr

oduction

With the Partitioning, OLAP and Data Mining options

C:-Documents and Settings-Administrator>sqlplus

SQL*Plus: Release 10.1.0.2.0 - Production on 星期六 6月 26 11:11:34 2010

Copyright (c) 1982, 2004, Oracle.All rights reserved.

Enter user-name: system

Enter password:

Connected to:

Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - Production

With the Partitioning, OLAP and Data Mining options

SQL>select instance_name from v$instance;

INSTANCE_NAME

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

myfirstoracledb

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