oracle 查看死锁 并解锁

--查看被锁的表 
select   p.spid,a.serial#, c.object_name,b.session_id,b.oracle_username,b.os_user_name   from   v$process   p,v$session   a,   v$locked_object   b,all_objects   c   where   p.addr=a.paddr   and   a.process=b.process   and   c.object_id=b.object_id ; 

--查看那个用户那个进程照成死锁，锁www.2cto.com的级别
select b.owner,b.object_name,l.session_id,l.locked_mode from v$locked_object l, dba_objects b where b.object_id=l.object_id;

--查看连接的进程 
SELECT sid, serial#, username, osuser FROM v$session where username='TEST2'; 

--杀掉进程 
alter   system     kill   session   'sid,serial#';