查询oracle用户名,机器名,锁表对象 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.ses