ERROR: ORA-28009: connection as SYS should be as SYSDBA or SYSOPER

在登录sys，输入密码后，出现如下错误：

解决：

将密码（口令）改为原密码加上 as sysdba

例如我的密码改为：change_on_install as sysdba ，就可以登陆进去了

原文：(5条消息) ORA-28009：connection as SYS should be as SYSDBA OR SYSOPER_GoodIdea-CSDN博客

标签：28009,SYSOPER,should,SYS,密码,sysdba
来源： https://www.cnblogs.com/1234wh/p/14773153.html