The software engineering books I've enjoyed the most are the ones that let you learn through writing code and experimentation, which is why I wanted to create a practical book.

More details and a preview at https://technicaldeft.com/build-a-database-server

In summary:

+ Learn how parse and type check SQL

+ Execute complex queries that use JOIN and GROUP BY

+ Challenge yourself with suggested extensions

+ Comparisons with real databases including PostgreSQL, MySQL, SQLite and DuckDB

+ Pick a what language you want to build your implementation in

+ Test suite to help you build and refactor your project

You can use the code CREATE to get 20% off the price.