解决表死锁

--查看被锁的对象
SELECT * FROM V$LOCKED_OBJECT;
--查看被锁对象
select object_name as 对象名称, s.sid, s.serial#, p.spid as 系统进程号
  from v$locked_object l, dba_objects o, v$session s, v$process p
 where l.object_id = o.object_id
   and l.session_id = s.sid
   and s.paddr = p.addr;

SELECT /*+ RULE */
 LS.OSUSER   OS_USER_NAME,
 LS.USERNAME USER_NAME, 
 DECODE(LS.TYPE,
        'RW',
        'ROW WAIT ENQUIRE LOCK',
        'TM',
        'DML ENQUIRE LOCK',
        'TX',
        
        'TRANSACTION ENQUIRE LOCK',
        'UL',
        'USER SUPPLIED LOCK') LOCK_TYPE, 
 O.OBJECT_NAME OBJECT,
 DECODE(LS.LMODE,
        1,
        NULL,
        2,
        'ROW SHARE',
        3,
        
        'ROW EXCLUSIVE',
        4,
        'SHARE',
        5,
        'SHARE ROW EXCLUSIVE',
        6,
        'EXCLUSIVE',
        NULL) LOCK_MODE,
 O.OWNER,
 LS.SID,
 LS.SERIAL# SERIAL_NUM,
 LS.ID1,
 LS.ID2
  FROM SYS.DBA_OBJECTS O,
       (SELECT S.OSUSER,
               S.USERNAME,
               L.TYPE,
               L.LMODE,
               S.SID,
               S.SERIAL#,
               L.ID1,
               L.ID2
          FROM V$SESSION S,
               V$LOCK L
         WHERE S.SID = L.SID) LS
 WHERE O.OBJECT_ID = LS.ID1
   AND O.OWNER<> 'SYS'
 ORDER BY O.OWNER, O.OBJECT_NAME;

--处理
alter system kill session '48,49704' immediate;