In the previous posts, we've explored the SQLite file format and built a simple SQL parser. It's time to put these pieces together and implement a query evaluator! In this post, we'll lay the groundwork for evaluating SQL queries and build a query evaluator that can handle basic SELECT statements. While our initial implementation won't support filtering, sorting, grouping, or joins yet, it will give us the foundation to add these features in future posts. As usual, the complete source code for t...