1、系统认证登录
[oracle@edbjr2p1 ~]$ sqlplus / as sysdba
[oracle@edbjr2p1 ~]$ sqlplus / as sysdba
2、授权SYSDBA权限给一个中间用户
SYS@PROD1>grant sysdba to sh;
SYS@PROD1>grant sysdba to sh;
3、登录中间用户，修改sys用户密码
SYS@PROD1>conn sh/sh
Connected.
SH@PROD1>alter user sys identified by oracle;
SYS@PROD1>conn sh/sh
Connected.
SH@PROD1>alter user sys identified by oracle;
User altered.
4、连接sys用户，可以再修改密码
SH@PROD1>conn sys/oracle as sysdba
Connected.
SYS@PROD1>password
Changing password for SYS
Old password:
New password:
Retype new password:
Password changed
SH@PROD1>conn sys/oracle as sysdba
Connected.
SYS@PROD1>password
Changing password for SYS
Old password:
New password:
Retype new password:
Password changed
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/27126919/viewspace-1726466/ ，如需转载，请注明出处，否则将追究法律责任。
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