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Re: count distinct and group by

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On 7 May 2015 at 11:54, Thomas Kellerer <spam_eater@xxxxxxx> wrote:
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.

​Doh! I missed out that key clause :)

Thanks for correcting me.

Geoff​
 
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