Our Editorial Team came across this and thought you may find it useful:
From Quincy Larson - 13 March 2021 "Teacher at https://www.freecodecamp.org I share useful things on Twitter at https://www.twitter.com/ossia
1. freeCodeCamp just published a free 25-hour Database Systems course from a Cornell University database instructor. You'll learn SQL, Relational Database Design, Distributed Data Processing, NoSQL, and more. (25 hour YouTube course): https://www.freecodecamp.org/news/watch-a-cornell-university-database-course-for-free/"