I created it with the default layout editor

Hi Gianni, unfortunately is already helping me a DBA colleague who, observing the execution plan, is trying to create some indexes on the DB to improve the performance, but no one works. He and me are so frustrated :-( Regards

Hi Gianni, thanks for your reply and your suggestions. I know that my post is very generic, but the issue is very generic. In last days i've done many tests: - Drop and create the table in the rpd - Set the very small table as Driving table - Modify the join in a very simple join on key fields and not a complex join. The…