On Mon, Sep 09, 2002 at 00:13:04 +0000, Colin Fox <cfox@cfconsulting.ca> wrote:
>
> select
> *
> from
> motm
> order by
> creation_date desc
> limit 1;
>
> So in the first case I select the record that has the largest date. In the
> second case, I order all the records, and then return only one.
If you have an index on creation_date an index scan can be used which
will make the second form run a lot faster if there are lots of records.
