Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> comp.databases.theory -> Re: Idempotence and "Replication Insensitivity" are equivalent ?

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













  HOME |
  ASK QUESTION |
  ADD INFO |
  SEARCH |
  E-MAIL US