Normally the Instructor/Database only contains a General Folder, an Amateur, and a Models database. The "General Folder" will hold all of the videos that you have not specifically put into its own database. The "Amateurs" will hold all of your students, and the "Model Videos" will hold all of your professional and model videos.
You can add new databases to fit your business. If your business has multiple instructors, you can create a database with each of their names. Then when they click their database it will show nothing but their students.