Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id 5AC992E036F for ; Fri, 14 Mar 2008 17:05:25 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 75808-02 for ; Fri, 14 Mar 2008 17:05:22 -0300 (ADT) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.5 Received: from rn-out-0910.google.com (rn-out-0910.google.com [64.233.170.188]) by postgresql.org (Postfix) with ESMTP id 104132E0369 for ; Fri, 14 Mar 2008 17:05:21 -0300 (ADT) Received: by rn-out-0910.google.com with SMTP id e11so2566649rng.17 for ; Fri, 14 Mar 2008 13:05:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references; bh=E+en+YI4IWxLdeHpniNQjNy9ptDrtIiG3HZR06zCNuQ=; b=IpaSgXE6y3MRK70N5L3QMYFplHg8YnBP4mazr64OqH+GtLWH8uVzEL2AHoMPlv3kcgebeMbZN16S/m4fzowbcyYnGt6U2ZNtptw4wFej0SuYt1z5uQcoaNqcV8RloY9oRfRG4Xj6jc85mw2/ytokmWvTU37Wf4cWsMyDG6QIQgg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references; b=XUVRpzpEr7TnZ5dBKam6k50S/pVn58DQnRem/LXew7oxa/jTi6RTjo8DmR3WAZgNL6+6RgZLwhHlYSo5mVmmI7ORmQh6BVe1b1OcK0vl8yH/baD4hiE4eTRBgvmqJPQjSVsdEXmI9xY48AAp3Q94cNET2garCZKYT617K+11zYI= Received: by 10.114.76.1 with SMTP id y1mr12602149waa.38.1205525120126; Fri, 14 Mar 2008 13:05:20 -0700 (PDT) Received: by 10.114.109.16 with HTTP; Fri, 14 Mar 2008 13:05:20 -0700 (PDT) Message-ID: Date: Fri, 14 Mar 2008 16:05:20 -0400 From: "Kynn Jones" To: "Heikki Linnakangas" Subject: Re: The "many nulls" problem Cc: pgsql-performance@postgresql.org In-Reply-To: <47DAD5F8.6060804@enterprisedb.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_2324_3258634.1205525120098" References: <47DAD5F8.6060804@enterprisedb.com> X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200803/316 X-Sequence-Number: 29270 ------=_Part_2324_3258634.1205525120098 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline On Fri, Mar 14, 2008 at 3:46 PM, Heikki Linnakangas wrote: > > > From performance point of view, I would go with a single table with > NULL fields on PostgreSQL. Wow. I'm so glad I asked! Thank you very much! Kynn ------=_Part_2324_3258634.1205525120098 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline
On Fri, Mar 14, 2008 at 3:46 PM, Heikki Linnakangas <heikki@enterprisedb.com> wrote:
<tons of useful info snipped> 
 From performance point of view, I would go with a single table with
NULL fields on PostgreSQL.

Wow.  I'm so glad I asked!  Thank you very much!

Kynn
 
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