Reference
If you are new to Python, or need a quick refresher, here is a good interactive guide you can use:
The “official” Python tutorial, which is bigger, longer, and more thorough:
The official Bottle tutorial
A series of YouTube videos on various aspects of Bottle. Some are quite short, a couple are very long:
SQLite official documentation (probably too dense and technical to be much use)
Using SQLite from Python
Using SQLite in Bottle