Driven by national policies, the digital transformation of the steel industry has become a core path to high-quality development. As a pillar industry of the national economy, the steel sector faces ...

Especially in the second edition, it has been fully updated for MySQL 8, and after reading it, you will feel that this is not just a book; it is more like a practical manual that helps you truly ...

HackerRank isn’t just a random collection of problems; they’ve organized their SQL section pretty well. You can find ...