Welcome to the SQL Mastery repository! This repository is your comprehensive guide to mastering SQL, designed to take you from a beginner to an advanced level. Whether you're new to SQL or looking to ...

Shelley Doll finishes her coverage of SQL data types with an overview of datetime and interval data types. Learn more about the basic syntax of these standard SQL types.

Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier.