Quick survey: if you could have the equivalent of this stack, with persistence, as a service, would that be interesting to you? It would be RESTful relational

Quick survey: if you could have the equivalent of this stack, with persistence, as a service, would that be interesting to you? It would be RESTful relational database-as-a-service but where any individual item could show updates in real time. (E.g. real-time chat would just be a Javascript component.)