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From: Együd Csaba <csegyud@freemail.hu>
To: Bruno Wolff III <bruno@wolff.to>
Cc: pgsql-sql@postgresql.org
Subject: Re: Getting all rows even if not a member of any groups
Date: Fri, 27 Jun 2003 16:18:10 +0200
Message-ID: <00e501c33cb6$f4cc4cd0$230a0a0a@compaq> (raw)
References: <11362.1056313692@www59.gmx.net>
	<00bd01c33c9d$1b584e90$230a0a0a@compaq>
	<20030627140854.GA15269@wolff.to>

Bruno,

> Please don't reply to messages to start a new thread.
sorry, I will never do such things in the future.

> select t_productgroups.name as pgroup,
>          t_products.id as productid
> from t_products
> left join (t_prod_in_pgr
>              join t_productgroups on (t_productgroups.id =
t_prod_in_pgr.productgroupid))
>              on (t_products.id=productid)
> order by pgroup, productid;


This is absolutelly what I want, but I can't understand how it is working.
Where can I find a descriptive (tale-like, for kids ... :) ) documentation
about using joins?

Thank you wery mauch.

-- Csaba


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