Videos are helpful for a new user
It's pretty straightforward. I don't see how you could expect a whole lot more for $2.99. The video tutorials are great for a new SQL learner. I've gotten at least 3 hours of learning and practice from the videos. But one thing I didn't like, you don't need to use a webhosting service, you can find online tutorials that do the same thing.
Cheap (you get what you pay for)
I learned something about MySQL but there is room for a much better product.The videos are clear and pleasant.The app is focused using MySQL via a GUI on the web. I use MySQL from the terminal. The current app did not help me become a "power user."I'm a big fan of testing and the "exam" feature is slighty bafflying. In addition, parts of the user interface are broken. There are buttons that do nothing. The questions ask for two answers but you can only give a single answer (radio button). The app needs more functional tests and quality assurance.
I really like these tutorials. They seem to be quite good for a beginer in mysql, however I haven't been able to get the exam part to function correctly.