I sense a trap, but i'll bite – APIs and schemas and other logical data models can be remixed, at least in principle. Physical data models (i.e. coupled to stor

I sense a trap, but i'll bite – APIs and schemas and other logical data models can be remixed, at least in principle. Physical data models (i.e. coupled to storage layout) are too low level to be useful, all you can do is load them back into into their originating app.