Before you do this, I do want to warn you that having a large system level quiz bank has some negative consequences on back up and restore, because, if you back up restore and include any quizzes, it will include all accessible questions which will include the entire system level bank. I used to have a large system level bank and it got to where I could not back up or restore any courses with quizzes.
Warning aside, you should be able to make this change in the database however...you should start with Tim's database diagram of the quiz tables but I would think that there should just be a parent category field somewhere that would just need updating - Tim might correct me!!
Warning aside, you should be able to make this change in the database however...you should start with Tim's database diagram of the quiz tables but I would think that there should just be a parent category field somewhere that would just need updating - Tim might correct me!!