Learn T-SQL Querying

Foreword

We live in a world of ever-increasing amounts of data, and data management systems have become ever-more critical pieces of our daily lives. From banks to e-commerce websites, almost every one of these interactions stores data in a database under the hood. For software or data practitioners, it is almost essential to know how to use databases effectively to deliver compelling solutions in each of these interactions that customers see in their daily lives.

Unfortunately, databases can be daunting to learn for the uninitiated. While the core concepts of SQL are straightforward once you know the rules of the system, getting over that initial hurdle can be challenging if you are not comfortable with set theory from math classes. Often, ...