Belive or not, your reply is the only one that centered the point!

> Very few people had ambiguous joins in their app, but nearly all apps that used IBO will be influenced by second case

Ok, now I know that ambiguous join is my (old) habbit but it is not very common among programmers :)
This explains why so many people think they can upgrade the database to FB1 leaving the IBO app. unchanged.
Thanks a lot, Riho-Rene Ellermaa :))
Regards
Marco Menardi

--- In IBObjects@y..., "Riho-Rene Ellermaa" <r.ellermaa@h...> wrote:
> Just to put my thoughts in.
>
> In first case the bug (ambiguous join) was fixed and actually every responsible programmer had to fix his code also, because it may have give wrong results sometimes.
> In second case there is no bug in applications and no need to fix.
> Very few people had ambiguous joins in their app, but nearly all apps that used IBO will be influenced by second case
>
>
> Riho-Rene Ellermaa
> senior programmer
> Hansabank
>