In the last century, oil was considered as the'black gold'. But, with the industrial revolution and the emergence of the automotive industry, oil became the main driving source of human civilization. However, with time, its value dwindled due to the gradual exhaustion and resorting to alternative renewable sources of energy. In the 21st century, the new driving force behind industries is Data. As a matter of fact, even automobile industries are using data to impart autonomy and improve the safety of their vehicles.

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.