Learn databases properly.
Glossary, interview prep, honest benchmarks, and migration playbooks. Everything an engineer needs to go from curious to confident.
These benchmarks are illustrative order-of-magnitude figures based on published vendor benchmarks and community testing. Actual performance depends heavily on hardware, configuration, query patterns, and data size. Always benchmark your own workload.
Step-by-step migration playbooks. Each guide covers schema conversion, data export/import, query rewriting, and validation. Difficulty reflects typical engineering effort.