SQL Courses

Introduction to Databases
Meta via Coursera

Web Development
Udacity

Introduction to Data Science
University of Washington via Coursera

Datenmanagement mit SQL
openHPI

Sabermetrics 101: Introduction to Baseball Analytics
Boston University via edX

Intro to Relational Databases
Udacity

IT Fundamentals for Business Professionals: Programming
Universitat Politècnica de València via edX

Relational Database Support for Data Warehouses
University of Colorado System via Coursera

Using Databases with Python
University of Michigan via Coursera

Database Management Essentials
University of Colorado System via Coursera