First of all a quiz.Do you know which database has been used in Facebook?
Guess guess guess.......
its MySQL. This is one of the biggest MySQL implementation in the world. So I think you should have some more respect for MySQL now. If you want to learn more about MySQL than my blog might help you. Here I will discuss on how to make the best use of this open source software,specially on storage engine like how to make your own storage engine etc. Here are the links to my articles on MySQL.
1. MySQL :: Installing in Linux from source
2. MySQL :: Uninstalling
3. MySQL :: Compiling the skeleton engine