On Thu, Jun 05, 2003 at 17:38:21 +0100,
Nick Barr <nick.barr@webbased.co.uk> wrote:
> Hi,
>
> I am trying to create an index on the year of a date field, to speed up
> some queries. Table structure is as follows
Wouldn't an index on the plain date work as well? You would have to
make queries for years be range queries instead of equal, but the index
could be used for other things (like ordering by date).
