How to find who has locked a row in a table?

My DB is a Oracle Database 10g Enterprise Edition Release 10.2.0.4.0.
My question is very simple: You try to update a row of a table but find out it is locked by somebody else.
How do I find which user (or session) has locked that row?

SELECT Decode(request, 0, 'Holder: ',
                       'Waiter: ')
       ||vl.sid sess,
       status,
       id1,
       id2,
       lmode,
       request,
       vl.TYPE
FROM   v$lock vl,
       v$session vs
WHERE ( id1, id2, vl.TYPE ) IN (SELECT id1,
                                        id2,
                                        TYPE
                                 FROM   v$lock
                                 WHERE request > 0)
       AND vl.sid = vs.sid
ORDER BY id1,
          request

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>>I was searching from couple of days to know is there a way to find out
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Andreas Wolter (Blog |
Twitter)
MCM - Microsoft Certified Master SQL Server 2008
MCSM - Microsoft Certified Solutions Master Data Platform, SQL Server 2012
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Edited by: Sujoy on Apr 9, 2009 1:18 PM

How to find who has locked a row in a table?

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