oracle 锁表、kill锁表进程

/*查找被锁表*/
select b.owner,b.object_name,a.session_id,a.locked_mode from v$locked_object a,dba_objects b where b.object_id = a.object_id;
/*查找被锁表的session*/
select b.username,b.sid,b.serial#,logon_time from v$locked_object a,v$session b where a.session_id = b.sid order by b.logon_time;
/*解锁*/
alter system kill session'sid,serial';