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
Oracle提供两种验证方式,一种是OS验证,另一种密码文件验证方式,如果是第一种方式用以下方法修改密码:
sqlplus /nolog;
connect / as sysdba
alter user sys identified by "xxxxxxx";
alter user system identified by "xxxxxxx";
如果是第二种方法用以下方法修改密码:
orapwd file=pwdxxx.ora password=你设定的新密码 entries=10
设定完后,重新启动服务,再次登陆就可以了。