Comprehensive MySQL guide for full stack devs: design scalable schemas (normalize to 3NF, judicious denormalization, right data types, strategic indexing), write fast queries (avoid SELECT *, favor joins, use LIMIT/OFFSET, leverage EXPLAIN), and administer well (backups, tuning, security); plus transactions, storage-engine choice, stats updates, pitfalls to avoid—powering reliable, scalable apps like e‑commerce.
Fullstack.ist offers meaningful insight into a broad range of topics.