thanks for your help!!! 

@lex
------------------------------------------------------------
  Lic. Alexander Ordóñez Arroyo 
  Caja Costarricense del Seguro Social                             
  Soporte Técnico - División de Informática                     
  Telefono: 295-2004, San José, Costa Rica                    
  [EMAIL PROTECTED]        Icq# 30173325

------------------------------------------------------------
The true is out there in WWW

> -----Mensaje original-----
> De:   Mark Leith [SMTP:[EMAIL PROTECTED]]
> Enviado el:   Miércoles 6 de Febrero de 2002 10:48 AM
> Para: Multiple recipients of list ORACLE-L
> Asunto:       RE: Duplicate rows
> 
> Alex,
> 
> Here are a couple of scripts that have come from the list in the past:
> 
> ===========================================
> 
> declare
> cursor get_dups is
> select pk_col1, pk_col2, pk_col3, count(*)
> from table
> group by pk_col1, pk_col2, pk_col3
> having count(*) > 1;
> dupRec get_dups%rowtype;
> begin
> for dupRec in get_dups loop
> delete from table
> where pk_col1 = dupRec.pk_col1
> and pk_col2 = dupRec.pk_col2
> and pk_col3 = dupRec.pk_col3
> and rownum = 1;
> end loop;
> end;
> /
> 
> ===========================================
> 
> Identify duplicate records:
> 
> select COL1,
>        COL2,
>        COL#,
>        COUNT(*)
>   from <OWNER>.<TABLE_NAME>
>  group by COL1, COL2, COL#
> having count(*) > 1;
> 
> Remove duplicate records:
> 
> delete from <OWNER>.<TABLE_NAME> a
>  where rowid < (
>                 select max(rowid)
>                   from <OWNER>.<TABLE_NAME> b
>                  where b.COL1 = a.COL1
>                    and b.COL2 = a.COL2
>                    and b.COL# = a.COL#
>                  );
> 
> ===========================================
> 
> Just for giggles, if you want to do this on DB2 as well, then check this
> out:
> 
> http://www.searchDatabase.com/tip/1,289483,sid13_gci784575,00.html
> 
> HTH
> 
> Mark
> 
> -----Original Message-----
> Ordonez
> Sent: 06 February 2002 15:33
> To: Multiple recipients of list ORACLE-L
> 
> 
> Hi gurus,
> I need detect and delete duplicate rows in any table, somebody helpme
> thanks!!!
> 
> @lex
> ------------------------------------------------------------
>   Lic. Alexander Ordóñez Arroyo
>   Caja Costarricense del Seguro Social
>   Soporte Técnico - División de Informática
>   Telefono: 295-2004, San José, Costa Rica
>   [EMAIL PROTECTED]        Icq# 30173325
> 
> ------------------------------------------------------------
> The true is out there in WWW
> 
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Alexander Ordonez
>   INET: [EMAIL PROTECTED]
> 
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> 
> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> -- 
> Author: Mark Leith
>   INET: [EMAIL PROTECTED]
> 
> Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
> San Diego, California        -- Public Internet access / Mailing Lists
> --------------------------------------------------------------------
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--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Alexander Ordonez
  INET: [EMAIL PROTECTED]

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