It was a really good lecture! I think I was able to learn the most basic grammar and concepts by extracting them well. The instructor explained it calmly and well, and also gave examples along with the explanations, so it was very easy to understand. However, I think it might be a little difficult for those who are completely new to SQL to grasp the concept of SQL itself...? In fact, I am a SQL layman, but I started with this instructor's lecture without knowing anything, and I came back with a big concept once I understood it. (It was much easier to understand, so I finished it in less than a day!!) For those like me who are "new to SQL, and those who don't even understand the concept properly", If you come back and listen after grasping the big picture of SQL, it will be much easier to understand-✨ Anyway, I highly recommend this lecture, and I am even more grateful that it is free👍