Handle Oracle deadlock

  -- The code for a lock table query has the following form ：
select count(*) from v$locked_object;
select * from v$locked_object;
 
 
 
 
 -- Check which watch is locked
 
Sql Code   
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;  
 
 
 
-- Check which one is session Caused by the
 
Sql Code   
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;  
 
 
 
Carry out orders ：alter system kill session'1025,41';
 
among 1025 by sid, 41 by serial#.