I was able to solve the practice problems myself, and the explanations for things I didn't know were very helpful, so I was able to understand them well!
It was a class that gave me a lot of confidence!
I think it took about 3 days to listen to everything.

Jiho Lee

You will be able to extract the data you want directly without the help of a developer. We will provide everything you need for analysis, from simple queries to joins. Start learning SQL with a direct lecture from the author of the book <Planner's SQL>.