..
>
> Got the mail. Since the tables and the plans are complex, I may take a
> few days before I get the occasion to look at it. In the mean while,
> if you cannot post it as an attachment, you could put it on a web site
> and post a URL, in case someone else is interested in taking a stab at it.
>
>

These are the URL where you can find my text files.

Tables and Views structure http://www.unicars.it/eugenio/Tables&Views.sql

Statistic profile of server where the query works
http://www.unicars.it/eugenio/SpeedyStatProf

Statistic profile of server where the query doesn't work
http://www.unicars.it/eugenio/SpeedyStatProf


Thanks
Eugenio