Milan Babuskov wrote:

> select f.client, f.versionnumber, min(f.ts),
> (select speed
> from your_table f2
> where f2.RDB$DB_KEY = f.RDB$DB_KEY)
> from your_table f
> group by f.client, f.versionnumber

Forget about this one. It does not work properly.

--
Milan Babuskov
http://swoes.blogspot.com/
http://www.flamerobin.org