Oracle 解决表死锁

         select  'alter system kill session ''' || SID || ',' || SERIAL# || ''';' 

          from (        

         select distinct a.sid,a.Serial#,status,machine,LOCKWAIT,logon_time       

              from v$session a, v$locked_object b        

        where (a.status = 'ACTIVE' or a.status = 'INACTIVE')            

        and a.sid = b.session_id              

        and b.ORACLE_USERNAME = 'SWYBGTEST' --加上用户名是避免把其他系统的会话也关闭，以免伤及无辜       

          );