时间：2021-07-01 10:21:17 帮助过：18人阅读
2.connect username/password as sysdba;会显示连接（管理员不用密码登录）
3.改密码：alter user you_username identified by you_password;
eg:alter user system identified by 123456
（oracle）invalid username/password:logon denied
标签：oracle