昨天笔记本意外进水,强制关机,早上就一直出这问题,数据库打不开,报错,
用 sysdba 登陆后
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
Code
SQL> select open_mode from v$database;
OPEN_MODE
----------
MOUNTED
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
Code
SQL> alter database open;
提示错误
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
Code
alter database clear unarchived logfile group 1;
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
Code
select * from v$log;
alter database open;
在查询
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
Code
SELECT OPEN_MODE FROM v$database
提示处于 read,write
数据库ok 了