oracle锁表与解表

查看锁表进程SQL语句1：

select sess.sid,
sess.serial#,
lo.oracle_username,
lo.os_user_name,
ao.object_name,
lo.locked_mode
from v$locked_object lo,
dba_objects ao,
v$session sess
where ao.object_id = lo.object_id and lo.session_id = sess.sid;

查看锁表进程SQL语句2：

select * from v$session t1, v$locked_object t2 where t1.sid = t2.SESSION_ID;

杀掉锁表进程： 
如有記錄則表示有lock，記錄下SID和serial# ，將記錄的ID替換下面的738,1429，即可解除LOCK 
alter system kill session '738,1429';
另外附上锁定一个表的语句：
LOCK TABLE tablename IN EXCLUSIVE MODE;将锁定整个表

批量解锁

declare cursor mycur is
select b.sid,b.serial#
　　from v$locked_object a,v$session b
　　where a.session_id = b.sid group by b.sid,b.serial#;

begin
  for cur in mycur
    loop
     execute immediate ( 'alter system  kill session  '''||cur.sid || ','|| cur.SERIAL# ||''' ');
     end loop;

end;

来自：https://blog.csdn.net/tall913/article/details/7963841

https://www.cnblogs.com/xiaohaizhuimeng/p/6543028.html