You mean

SELECT ObjId,ElemId,count( distinct Objid,ElemId ) from Elems group by 
ObjId;

?


Csaba Gabor wrote:

>Seems like this should be an easy question, but I just don't get it:
>
>If I have CREATE TABLE Elems (ObjId INT, ElemId INT);
>Is there a nice query to find the Number of Distinct ElemId's for each ObjId?
>
>Motivation: Later I will want to add a WHERE ObjId IN (...) and join the Obj 
>describing table to
>the results of this query.
>
>Thanks,
>    Csaba Gabor from New York
>
>__________________________________________________
>Do You Yahoo!?
>Yahoo! - Official partner of 2002 FIFA World Cup
>http://fifaworldcup.yahoo.com
>
>---------------------------------------------------------------------
>Before posting, please check:
>   http://www.mysql.com/manual.php   (the manual)
>   http://lists.mysql.com/           (the list archive)
>
>To request this thread, e-mail <[EMAIL PROTECTED]>
>To unsubscribe, e-mail 
><[EMAIL PROTECTED]>
>Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
>
>



---------------------------------------------------------------------
Before posting, please check:
   http://www.mysql.com/manual.php   (the manual)
   http://lists.mysql.com/           (the list archive)

To request this thread, e-mail <[EMAIL PROTECTED]>
To unsubscribe, e-mail <[EMAIL PROTECTED]>
Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php

Reply via email to