Subject RE: [Firebird-Architect] select count(*) as "c0" from (select distinct "T_TEMPO"."ANO" as "c0" from "T_TE
Author Claudio Valderrama C.
Martijn Tonies wrote:
> Firebird doesn't support derived tables and that's what you're
> trying to do.

Firebird 1.5 and below doesn't support derived tables.
FB 2.0 already supports derived tables thanks to Arno.
However, FB 2.0 is in full development, not yet alpha.