Hi, @Mark Gordon Thanks for providing additional information, When collecting data it collects for the whole instance and all databases at once but when you run the recommendation, it only recommends for whatever dbs were selected on the original assessment page, the only thing that doesn't take into account specific dbs is the data collection process, but once the data has been collected, you can run recommendation for any subset of databases you want and the recommendation will respect it, you just don't need to recollect data every time is the point.
I hope this information helps, please let me know if you have any additional questions.
Regards
Geetha