oracle查看被锁的表

--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;
   
   --查询锁表原因
select l.session_id sid, 
       s.serial#, 
       l.locked_mode, 
       l.oracle_username, 
       s.user#, 
       l.os_user_name, 
       s.machine, 
       s.terminal, 
       a.sql_text, 
       a.action
from v$sqlarea a, v$session s, v$locked_object l 
where l.session_id = s.sid 
   and s.prev_sql_addr = a.address 
order by sid, s.serial#;

--解决办法
alter system kill session \'2888,44\';  --即spid，serial