That brings up an interesting question of where the line of what is a database gets drawn. Does a JSON interface to a CRUD application that uses a relational da

That brings up an interesting question of where the line of what is a database gets drawn. Does a JSON interface to a CRUD application that uses a relational database behind the scenes count as a JSON database? A part of me thinks it should. CouchDB positioned itself with a JSON API that allowed you to skip the CRUD middleware, so from the API consuming point of view there is essentially no difference.