Why You Should Avoid SELECT * in SQL | Better Database Queries

Description:
Using `SELECT *` looks simple, but it can cause real problems in production applications.

In this video, we explain why backend developers should avoid `SELECT *` and select only the columns they actually need.

We cover:

* Why `SELECT *` can hurt performance
* Unnecessary data transfer
* Covering indexes
* Data exposure and security risks
* Column order bugs
* Problems with ORMs
* Why selecting specific columns is a better practice

A small SQL habit can make your backend queries more efficient, secure, and maintainable.

#SQL #Database #BackendDevelopment #PostgreSQL #MySQL #BackendEngineer