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Re: count distinct and group by

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Subject: Re: count distinct and group by
From: Thomas Kellerer <spam_eater@xxxxxxx>
Date: Thu, 07 May 2015 12:54:46 +0200
In-reply-to: <CAEzk6ffC_foW_i6-uTvUOxL7PGK3xnir2r4_b0BCMv6UNJpM9g@mail.gmail.com>
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Geoff Winkless schrieb am 07.05.2015 um 12:39:
> in Postgres (unlike MySQL) you can't order a list of values by a column you haven't selected.

Of course you can, just not when you are aggregating.




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