Best FREE SQL course + best way to learn SQL?

Hi everyone, I'm a complete beginner and I want to learn SQL for data analysis. Can you recommend the best FREE SQL courses? Also, what is the best way to learn SQL effectively? Should I focus more on courses or practice? Thanks in advance! submitted by /u/osama_3shry <a href="https://www.reddit.com/r/learnprogramming/comments/1sklg