The Complete Guide to Production Databases for Large-Scale E-Commerce DBAs — Learn Zero-Downtime Operations by Reproducing MySQL Failures

When the order API stalls but CPU usage is under 1%, when adding a single column brings the service to a halt, or when a newly paid order doesn’t appear. This comprehensive 104-lesson course recreates real-world production database incidents in a MySQL 8.4 primary-replica lab environment and gives you step-by-step runbooks for everything from five-minute diagnostics to zero-downtime schema changes, large-scale operations, recovery, and event preparation.