How to find DB name through web, if ctrl+J is not working?

If Ctl+J is not working only way to find is by querying the DB. From the web there is no way that I know of. One can guess by the url. But it need not be the same.

By the way exposing the DB name to online web user is not required. If they want to know they should contact the admin and if the person who wants to know the DB Name is developer, then he or should have the App Designer installed in their computer which would have the details on the Database.