|MySQL is the world's most popular open source database. MySQL is designed for speed, power, and flexibility in mission-critical, heavy-use environments and modest applications as well. It's also surprisingly rich in features. If you're a database administrator or programmer you probably love the myriad of things MySQL can do, but sometimes wish there wasn't such a myriad of things to remember. With MySQL in a Nutshell by your keyboard, you can drill down into the full depth of MySQL's capabilities quickly and easily.