On Sun, Mar 12, 2006 at 12:34:57AM -0500, Jeffrey Melloy wrote:
> Should be able to do this with a standard max() aggregate.
>
> select aid, cat, max(weight)
> from table
> group by aid, cat;
That query returns the maximum weight for each (aid, cat) pair.
Against the example data it returns the entire table, not the
(aid, cat) pair with the max weight for a given aid.
--
Michael Fuhr