>
> It works for me, with IBO versions 3.6 and 4.2.
>

I'm using 4.2Ha. I have wrote the sql "select RDB$relation_name as tablas
from rdb$relations where rdb$system_flag=0" and make a prepare. The plan
looks good, but when I go to the data tab there is nothing in it. I have the
same when I run the application.

Toni