Find locked oracle tables
SELECT owner
|| '.'
|| object_name AS object_name,
oracle_username
|| ' ('
|| s.status
|| ')' AS oracle_user,
os_user_name AS os_user,
machine AS computer,
l.process AS unix_pid,
''''
|| s.sid
|| ','
|| s.serial#
|| '''' AS ss,
r.name AS rs,
TO_CHAR(s.logon_time, 'yyyy/mm/dd hh24:mi:ss') AS time_now,
s.status,
q.sql_fulltext
FROM v$locked_object l,
dba_objects o,
v$session s,
v$transaction t,
v$rollname r,
v$sql q
WHERE l.object_id = o.object_id
AND s.sid = l.session_id
AND s.taddr = t.addr
AND t.xidusn = r.usn
AND q.sql_id(+) = s.sql_id
ORDER BY os_user,
ss,
object_name;