Re: query question for sql experts
L. Tseng wrote:
>
> Hi, SQL experts,
>
> Your help on the following qestion will be much appreciated.
> For example:
>
> TableA contains:
>
> EmpID GroupID CrDate
> 22 4 1/20/98
> 24 3 1/19/98
> 25 4 1/18/98
> 25 6 1/17/98
> 24 5 1/16/98
> 22 3 1/15/98
>
> how do I get a query output like the following with pure SQL code:
> (Group by EmpID and order by the lastest crdate first within each EmpID)
>
> EmpID GroupID CrDate
> 22 4 1/20/98
> 22 3 1/15/98
> 24 3 1/19/98
> 24 5 1/16/98
> 25 4 1/18/98
> 25 6 1/17/98
I assume from you sample output that you mean order by CrDate
descending within EmpID and not group by EmpID. Hence:
SELECT EmpID, GroupID, CrDate
FROM TableA
ORDER BY EmpID, CrDate DESC;
Art S. Kagel