匿名登录oracle修改密码

1  在命令窗口中输入

sqlplus /nolog


2  使用connect命令以sysdba身份登录

connect /as sysdba


3  修改密码

alter user scott identified by chao;

(修改已经锁定的用户的密码)

alter user scott identified by password account unlock;

(锁定用户)

alter user scott account lock;


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