On Wed, Oct 15, 2003 at 21:25:17 +0100,
teknokrat <teknokrat(at)yahoo(dot)com> wrote:
>
> I have a lot of queries of the " where timestamp < some date " type and
> was wondering if an index would improve performance. None of the
> timestamps are null and they are always populated
Unless that query returns only a small fraction of the table (which would
be unusual for a before some date restriction) or you order by the date,
an index probably won't help.