Thank you for your reply, bemdesign. I don't want to start off doing a local install because I think that's a little bit too advanced for the people I am trying to teach.
" only share as much information that is needed and no more " dictates that I should change the database name.
It must be easy to copy a database in cPanel assign it to a new username and password and then change the wp-config.php and then I can sleep well at night ...