Oracle杀死死锁进程 
先查看哪些表被锁住了: 
| select b.owner,b.object_name,a.session_id,a.locked_mode
from v$locked_object a,dba_objects b
where b.object_id = a.object_id;
OWNER     OBJECT_NAME     SESSION_ID LOCKED_MODE
------------------------------ -----------------
WSSB SBDA_PSHPFTDT   22 3
WSSB_RTREPOS WB_RT_SERVICE_QUEUE_TAB   24 2
WSSB_RTREPOS WB_RT_NOTIFY_QUEUE_TAB   29 2
WSSB_RTREPOS WB_RT_NOTIFY_QUEUE_TAB   39 2
WSSB SBDA_PSDBDT     47 3
WSSB_RTREPOS WB_RT_AUDIT_DETAIL     47 3
select b.username,b.sid,b.serial#,logon_time 
from v$locked_object a,v$session b
where a.session_id = b.sid order by b.logon_time;
USERNAME   SID   SERIAL# LOGON_TIME
------------------------------ ---------- -------
WSSB_RTACCESS     39     1178 2006-5-22 1
WSSB_RTACCESS     29     5497 2006-5-22 1 | 
杀进程中的会话: 
| alter system kill session 'sid,serial#';
e.g
alter system kill session '29,5497'; | 
如果有ora-00031错误,则在后面加immediate;alter system kill session '29,5497' immediate; 
如何杀死oracle死锁进程 
1.查哪个过程被锁: 
查V$DB_OBJECT_CACHE视图: 
SELECT * FROM V$DB_OBJECT_CACHE WHERE OWNER='过程的所属用户' AND CLOCKS!='0'; 
2. 查是哪一个SID,通过SID可知道是哪个SESSION: 
查V$ACCESS视图: 
SELECT * FROM V$ACCESS WHERE OWNER='过程的所属用户' AND NAME='刚才查到的过程名'; 
3. 查出SID和SERIAL#: 
查V$SESSION视图: 
SELECT SID,SERIAL#,PADDR FROM V$SESSION WHERE SID='刚才查到的SID'; 
查V$PROCESS视图: 
SELECT SPID FROM V$PROCESS WHERE ADDR='刚才查到的PADDR';