A small SQL mistake can slowly impact production performance 👀

In this video, I explain why experienced backend engineers avoid using SELECT * in production systems and how fetching unnecessary data increases:

memory usage
network transfer
query execution cost

Good backend engineering is not just writing working queries…
It’s writing scalable queries 🚀 #sql #backend #database #java #springboot #postgresql #mysql #coding #softwareengineer

Видео A small SQL mistake can slowly impact production performance 👀 канала Dry Run Lab