--- In firebird-support@yahoogroups.com, Svein Erling Tysvær
<svein.erling.tysvaer@k...> wrote:

> You do 'for select date' and not 'for select distinct date'. This

Oh, thanks! It's quite obvious now :))

> If each group contains a lot of records, then you may find that an
> index on (sifkor,god,orgj,date, PK) is better than simply (sifkor,god,
> orgj,date). Try for yourself.

What do you mean by "PK"? Primary Key?