查询

SELECT
    o.object_name,
    s.sid,
    s.serial#,
    p.spid,
    s.username,
    s.program
FROM
    v$locked_object l
JOIN dba_objects o ON l.object_id = o.object_id
JOIN v$session s ON l.session_id = s.sid
LEFT JOIN v$process p ON p.addr = s.paddr;

解锁

ALTER SYSTEM KILL SESSION 'sid,serial#';