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Re: Idempotence and "Replication Insensitivity" are equivalent ?

From: Rick Decker <rdecker_at_hamilton.edu>
Date: Fri, 22 Sep 2006 20:52:26 -0400
Message-ID: <koqdncNDi-X2GInYnZ2dnUVZ_uWdnZ2d@hamilton.edu>

Aloha Kakuikanu wrote:

> pamelafluente_at_libero.it wrote:
>

>>... but in case of a Median date, how would you proceed?
>>Would it be all "postprocessing" ?

>
>
> There is no such thing as mediant aggregate function. The only
> aggregate functions are "sum" and "min/max". All the rest deduces to
> these.

Maybe it's due to the late hour where I live, but it's not obvious to me how one would define, say, "count" in terms of "sum" and "min/max".

<snip>

Regards,

Rick Received on Fri Sep 22 2006 - 19:52:26 CDT

Original text of this message

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