I replied moments after your last post... but the post didn't appear I've just noticed.

Anyway, your example works! Except you forgot to rename UniqueBookings to TableB in your...

Ok, here you go. 🙂 I've edited my original post with the correct table examples. Sorry about that mix up. The source table ...

Thanks for that... I'll try that out, but I just noticed I got my sample tables a little different. The MeetingIDs are in the the First table. ...