Oracle 锁表以及解锁

-- kill_exec 列为解锁的语句，copy出来执行即可。
select 'alter system kill session ''' || s.sid || ',' || s.serial# ||
       ''' immediate;' kill_exec,
       l1.sid sid1,
       l2.sid sid2,
       l1.type type1,
       l1.lmode lmode1,
       l2.type type2,
       l2.lmode lmode2,
       s.event,
       l1.block,
       l1.request request1,
       l2.request request2,
       l1.ctime ct1,
       l2.ctime ct2,
       s.username,
       s.sql_id,
       s.machine,
       s.client_identifier,
       s.terminal,
       s.program,
       s.module

  from v$lock l1, v$lock l2, v$session s
 where l1.block = 1
   and l2.request > 0

   and l1.id1 = l2.id1
   and l1.id2 = l2.id2
   and l1.sid = s.sid

 order by ct1 desc, ct2 desc;