The Proof of Concept serves two purposes:
If we return to the tunnel analogy, we need to demonstrate that we can drill all the way through the mountain, and measure our drilling speed.
The most important part of the Proof of Concept is that it goes all the way through the mountain – or in application development terms: All the way from the user interface to the backend data service and back.
If your data service is data in relational tables and you will be presenting it in ordinary fields and tables on the screen, the part of your proof of concept that demonstrates the technology is fairly straightforward. ...