Created by Jose Portilla 10.5 hours on-demand video course Welcome to the best online course to take your SQL skills to the next level! This course is designed to take you from basic SQL knowledge to a SQL Developer Professional. After completing this course you will have a better understanding of how tables and databases work as well as advanced capabilities in querying the information that is stored in a SQL database effectively. SQL is a critical skill for the modern workforce and we've created an online course specifically designed to take your current SQL knowledge to an advanced level. We'll begin the course with a deep dive into understanding how to construct subqueries and common table expressions, afterwards we'll move on to discussing window functions and advanced Join operations.