ORA-03113 end-of-file on communication channel处理办法

可能是由于不正当重启，我的oracle数据库在重启完之后报错：

ORA-03113 end-of-file on communication channel

尝试了各种方法无果之后，还原数据库到某个时间点：

SQL> conn / as sysdba
Connected to an idle instance.

SQL> startup mount
ORACLE instance started.

SQL> recover database until time '2016-11-05 12:00:00'
Media recovery complete.
SQL> alter database open resetlogs;

Database altered.

重启数据库，OK，问题解决。