From: Havasvölgyi Ottó <h.otto@freemail.hu>
To: Jaime Casanova <systemguards@gmail.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: select count of distinct rows
Date: Sun, 11 Dec 2005 02:07:00 +0100
Message-ID: <005501c5fdef$30be34f0$0200a8c0@OTTO> (raw)
References: <20051209053849.498E8F0BEC@svr2.postgresql.org>
<003001c5fded$53a2c5a0$0200a8c0@OTTO>
<c2d9e70e0512101657o50263342ma1769631b3a67133@mail.gmail.com>
Hi,
Yes, I need to compare all fields. Well, in this case it does not. Is this
impossible?
Thanks,
Otto
----- Original Message -----
From: "Jaime Casanova" <systemguards@gmail.com>
To: "Havasvölgyi Ottó" <h.otto@freemail.hu>
Cc: <pgsql-sql@postgresql.org>
Sent: Sunday, December 11, 2005 1:57 AM
Subject: Re: [SQL] select count of distinct rows
On 12/10/05, Havasvölgyi Ottó <h.otto@freemail.hu> wrote:
> Hi,
>
> I would like to select the count of distinct rows in a table.
>
> SELECT COUNT(DISTINCT *) FROM mytable;
>
are really all the fields distincts? the table doesn't have a pk?
> This does not work. How can I do it with Postgres?
>
> Thanks,
> Otto
>
--
regards,
Jaime Casanova
(DBA: DataBase Aniquilator ;)
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Subject: Re: select count of distinct rows
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