https://www.linkedin.com/learning/top-five-things-to-know-in-sql

Now, more than ever, businesses need people who know data—how to warehouse, access, and analyze it quickly and efficiently. Getting up to speed with Microsoft SQL Server—the widely used database management system—can help you become a key player in today’s data-driven business world. In this course, instructor Walter Shields teaches you the five most important skills to know if you want to be a true SQL master.

Explore the basic structure of relational databases, how they work, their importance to business, and how to navigate them successfully to gather insights at any scale. Discover the top SQL queries you should know, and how and when to best use them on your own, including the WHERE clause and the operators IN, BETWEEN, AND, and OR. By the end of this course, you’ll be prepared to analyze big data more efficiently with ease.