oracle切换mount状态时报错

1、

https://blog.csdn.net/weixin_43424368/article/details/107781240

SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-01113: file 1 needs media recovery
ORA-01110: data file 1: '/u01/app/oracle/oradata/guangxi/system01.dbf'
————————————————

 

 

 

 

2、