ORA-14452:试图创建,更改或删除正在使用的临时表中的索引

因为表kol_xx_fin050_temp 为临时表，而且有其他session正在使用。

select vs.*
  from v$session vs
     , v$lock vl
     , dba_objects obj
 where     1 = 1
       and obj.object_id = vl.id1
       and vl.sid = vs.sid
       and obj.object_name = 'kol_xx_fin050_temp';

处理步骤： 

1、先从 dba_objects / user_objects中查询到该表的object_id: 

select object_id from dba_objects where object_name=upper('kol_xx_fin050_temp'); 

2、根据查到的object_id知道使用该表的session： 

select * from v$lock where id1=&object_id; 

3、在从v$session视图中查到该session的sid和serial#： 

select * from v$session where sid=331;

4、杀掉这些进程: 

alter system kill session 'sid,serial#';