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Re: variance aggregates per SQL:2003

From: Neil Conway <neilc(at)samurai(dot)com>
To: pgsql-patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: variance aggregates per SQL:2003
Date: 2006-03-10 20:19:07
Message-ID: 1142021947.8847.54.camel@localhost.localdomain (view raw, whole thread or download thread mbox)
Lists: pgsql-patches
On Tue, 2006-03-07 at 17:54 -0500, Neil Conway wrote:
> This patch implements some new aggregate functions defined by SQL2003:
> stddev_pop(), stddev_samp(), var_pop(), and var_samp().



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