From: | "Ezequias Rodrigues da Rocha" <ezequias(dot)rocha(at)gmail(dot)com> |
---|---|
To: | "Bart Degryse" <Bart(dot)Degryse(at)indicator(dot)be> |
Cc: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: Duplicate records |
Date: | 2007-02-02 13:59:30 |
Message-ID: | 55c095e90702020559t27296667g5a46aca1b5386679@mail.gmail.com |
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Lists: | pgsql-sql |
Thank you but are you talking of two tables ? I intent to check in only one
table.
Please explain to me.
Ezequias
2007/2/2, Bart Degryse <Bart(dot)Degryse(at)indicator(dot)be>:
>
> select *
> from mytable A, (select field1, field2, count(*) from mytable group by
> field1, field2 having count(*) > 1) B
> where A.field1 = B.field1 and A.field2 = B.field2
>
> >>> "Ezequias Rodrigues da Rocha" <ezequias(dot)rocha(at)gmail(dot)com> 2007-02-02
> 14:48 >>>
> Hi list,
>
> I am making some data minning and would like to know if someone tell me
> how to retrieve the duplicate records based in one or two fields of my
> table.
>
> Any help would be welcomed.
>
> --
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> Atenciosamente (Sincerely)
> Ezequias Rodrigues da Rocha
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> A pior das democracias ainda é melhor do que a melhor das ditaduras
> The worst of democracies is still better than the better of dictatorships
> http://ezequiasrocha.blogspot.com/
>
--
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Atenciosamente (Sincerely)
Ezequias Rodrigues da Rocha
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
A pior das democracias ainda é melhor do que a melhor das ditaduras
The worst of democracies is still better than the better of dictatorships
http://ezequiasrocha.blogspot.com/
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