> ...which means I don't have to spend any money on hosting my applications unless they are actively serving traffic. Do you have a blog post on how you've managed this? ... unrelated to this thread (mostly) <https://news.ycombinator.com/item?id=27871574> You may want to check out Visidata and see how the data is loaded. I doubt it's being imported into a SQLite database, but it's python code that can load csv files fast or at least in the background. <https://www.visidata.org>