oracle lock table and unlock

Lock table query SQL
SELECT object_name, machine, s.sid, s.serial#
FROM gv$locked_object l, dba_objects o, gv$session s
WHERE l.object_id = o.object_id
AND l.session_id = s.sid;
find locked table, unlock the
copy code The code is as follows:--Release SESSION SQL:
alter system kill session 'sid, serial#';