进入oracle后
sqlplus /nolog
conn /as sysdba
然后startup mount

然后执行alter database datafile '/opt/CRM'(物理删除的表空间) offline drop;

然后执行alter database open;

进入oracle后
sqlplus /nolog
conn /as sysdba
然后startup mount
转载于:https://www.cnblogs.com/xuexin/p/6410971.html