SQL

Courses

Oracle SQL - A Complete Introduction https://www.udemy.com/course/introduction-to-oracle-sql/

AWS Essentials (2019) https://www.udemy.com/course/linux-academy-aws-essentials-2019/

Learn Amazon Web Services (AWS): The complete introduction https://www.udemy.com/course/learn-amazon-web-services-the-complete-introduction/

Database Design and Management https://www.udemy.com/course/database-design-and-management/