From: | "Andrew J(dot) Kopciuch" <akopciuch(at)bddf(dot)ca> |
---|---|
To: | joe666(at)gnovus(dot)com, PostgreSQL General <pgsql-general(at)postgresql(dot)org>, PostgreSQL Novice <pgsql-novice(at)postgresql(dot)org>, PostgreSQL SQL <pgsql-sql(at)postgresql(dot)org> |
Subject: | Re: [SQL] For each record in SELECT |
Date: | 2003-02-01 02:36:17 |
Message-ID: | 200301311936.18611.akopciuch@bddf.ca |
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Lists: | pgsql-general pgsql-novice pgsql-sql |
On Friday 31 January 2003 14:21, Luis Magaña wrote:
> Hi,
>
> I have a question here:
>
> I have a table with this fields:
>
> month
> description
> amount
>
> now I have to write a query that retrieves the sum of the amount from
> the minimum month to the maximum month registered for each diferent
> description.
>
From what I understand in your email you just need to add a GROUP BY clause.
Try a query like this.
SELECT description, sum(amount) FROM table GROUP BY description;
That should do what you need,
Andy
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