How to make this sub-sub-query work?
- by Josh Weissbock
I am trying to do this in one query. I asked a similar question a few days ago but my personal requirements have changed.
I have a game type website where users can attend "classes". There are three tables in my DB.
I am using MySQL. I have four tables:
hl_classes (int id, int professor,
varchar class, text description)
hl_classes_lessons…