Sounds a bit like the Zoho Creator, check it out if you haven't already
http://www.zoho.com/creator/ There are other 'online databases' of a similar vein, Caspio Bridge comes to mind, googling will take you to them.
(There are also offline RAD web app development applications that lower the barrier to entry than learning a contemporary stack, see a few reviewed here http://www.infoworld.com/d/developer-world/infoworld-review-... )
