查询锁表语句Oracle_会sql语句引起锁定

SELECT L.SESSION_ID SID,
       S.SERIAL#,
       L.LOCKED_MODE,
       L.ORACLE_USERNAME,
       L.OS_USER_NAME,
       S.MACHINE,
       S.TERMINAL,
       O.OBJECT_NAME,
       S.LOGON_TIME
  FROM V$LOCKED_OBJECT L, ALL_OBJECTS O, V$SESSION S
 WHERE L.OBJECT_ID = O.OBJECT_ID
   AND L.SESSION_ID = S.SID
 ORDER BY SID, S.SERIAL#;

ALTER system KILL session 'SID,serial#'; 

ALTER system KILL session '17,28317';