① 查看用户锁表
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
② 解锁语句
alter system kill session ‘sid,serial#‘
原文：https://www.cnblogs.com/momoyan/p/9128528.html