Home Database Mysql Tutorial Oracle 11g 密码失效问题

Oracle 11g 密码失效问题

Jun 07, 2016 pm 05:19 PM
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Oracle system无法登录,我自己遇到的问题总结如下:首先,以SYS DBA身份进入sqlpuls打开sqlpulsSQL-gt;请输入用户名:sys as s

Oracle system无法登录,我自己遇到的问题总结如下:

首先,以SYS DBA身份进入sqlpuls

打开sqlpuls

SQL->请输入用户名:sys as sysdba

SQL->密码(老密码):

登录成功以后查询DBA用户状态

SQL->select username,account_status from dba_users;

查看其中常用的用户状态是否是EXPIRED 还是LOCKED

有的是LOCKED

如果sysman状态是过期,,修改密码方法:

1、执行emctl stop dbconsole

执行完成后再停止agent:emctl stop agent

使用下面的命令来检查是否缺失停止了:

emctl status dbconsole

emctl status agent

确认停止以后就可以在sqlpuls里改密码了

2、执行下面的命令修改system密码:

SQL->alter user sysman identified by ;

不过首先你得确认一下system是否被锁定,就是执行

SQL->select username,account_status from dba_users;

看sysman的状态,如果是LOCKED,那么你先得解锁:

SQL->alter user system account unlock;

解锁完成后再修改密码,或者修改后再解锁都行,步骤可以颠倒,但是绝对不能少。

修改完成后

SQL->system/密码

如果连接成功就可以进行下一步了。

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