This is a really good lecture. I was a little bit stuck in the subquery, but I was able to overcome it because the concepts were explained easily. The entire lecture was fun and easy to understand. The practical exercises in between were also fun. However, one thing that came to mind was that if you don't know anything about MySQL, it might be hard to follow this lecture. This is a really helpful lecture if you study MySQL even a little bit. Lastly, when I was solving the SQL basic grammar usage example, I stopped the lecture and solved one problem at a time, and I can't forget the satisfaction I felt when I solved it smoothly. It was a problem that I would never have been able to solve before taking the lecture. I'll say it again, this is a really good lecture. I was honored to be able to listen to it for free. I highly recommend it!!