On Thu, 16 Apr 2015 07:10:47 +0000 (UTC), Vishal Tiwari vishualsoft@... [firebird-support] <firebird-support@yahoogroups.com> wrote:

>
> [-- Type: text/plain, Encoding: quoted-printable --]
>
> @Virgo Pärna: No speed improvement.
>

What are the indexes on all three tables?

--
Virgo Pärna
virgo.parna@...