In July, the Stack Overflow survey showed that PostgreSQL had extended its lead as the most popular database for professional ...

It is also hard for SQL to optimize and increase JOIN performance when the number of tables involved increases slightly or a large volume of data is involved. Our JOIN operations series will take a ...

This tutorial was written by Katherine Walden and is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. This lab covers the basics of SQL syntax using DB Browser ...

Oh, and please PLEASE use mysqli or PDO with prepared statements. The world doesn't need another SQL injection vulnerability.

Many people are confused by various JOIN operations supported by SQL. Learn to master the SQL command line with this crash course in JOIN syntax.