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Re: Simple Top N question

From: Thomas Kyte <tkyte_at_us.oracle.com>
Date: Wed, 10 Nov 1999 13:36:25 -0500
Message-ID: <pLkpONPTEk6cI4dw7zz+XGhk51AF@4ax.com>

On Wed, 10 Nov 1999 17:00:39 GMT, you wrote:

>Try this format:
>
>select cust, min(ordnum), max(quantity)
>from tbl
>group by cust;
>
>finds the Max quantity per customer,
>lists the lowest (or could be max) order number.
>

nope - that find the max qty / customer and the min ordnum / customer (the min's and max's are computed independent of eachother)...

That will give you (probably) an ordnum that goes with a different quantity (from different rows).....

I posted a couple of different queries to get these answers...

>Robert Proffitt
>Beckman Coulter
>
>
>Sent via Deja.com http://www.deja.com/
>Before you buy.

--
See http://osi.oracle.com/~tkyte/ for my columns 'Digging-in to Oracle8i'... Current article is "Part I of V, Autonomous Transactions" updated June 21'st  

Thomas Kyte                   tkyte_at_us.oracle.com
Oracle Service Industries     Reston, VA   USA

Opinions are mine and do not necessarily reflect those of Oracle Corporation Received on Wed Nov 10 1999 - 12:36:25 CST

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