1、select * from v$locked_object ; 获得 session_ID;
--2、select object_name, object_type from dba_objects where object_id = session_ID;--如果只是去删除session,可以省略这一步骤
3、select sid, serial#, machine, program from v$session where sid =session_ID
4、alter system kill session 'sid,serial#';