💡 Introduction to SQL This is an open-source introduction to SQL guide that will help you to learn the basics of SQL and start using relational databases for your SysOps, DevOps, and Dev projects. No ...

In this tutorial, we will step through installing PostgreSQL, connecting to the database, loading some data, and running a variety of SQL queries. To cap it all off, we’ll execute a query ...

Codecademy offers a self-paced SQL course which includes hands-on projects and quizzes. Although some content on Codecademy is paid, they still offer a basic SQL track that’s free and perfect for ...

Free Tutorial : Oracle PL SQL Tutorial - font color000000What is PLSQLPLSQL stands for Procedural Language extension of SQLPLSQL is a combination of SQL along ...