Re: Idempotence and "Replication Insensitivity" are equivalent ?

From: Rick Decker <>
Date: Fri, 22 Sep 2006 20:52:26 -0400
Message-ID: <>

Aloha Kakuikanu wrote:

> 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".



Rick Received on Sat Sep 23 2006 - 02:52:26 CEST

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