Yes we do. Yes, it has been tried. Fundamentally SQL the language is not designed for the added complexity and and I'm not aware of anything closer than Graph

Yes we do. Yes, it has been tried. Fundamentally SQL the language is not designed for the added complexity and and I'm not aware of anything closer than GraphQL. There are security, transnational, caching and computational questions to solve. Edit: Maybe FirebaseDB et al are better analogs, actually.