If you take the time to study the suggestions and work through your own tests of the concepts presented, it's pretty much assured that you will leave with the knowledge you need to do serious development work with the PHP scripting language and MySQL database server. Instead of creating a trivial program only to describe the environmental aspects / MySQL PHP, this book has a snippet of code, each half a page or more long, that describe the behavior of the structure of the lock code. The second half of the book attacks specific problems - a chat system, guest book, and so on - and walk through the setup MySQL and each important PHP function for each Wall. - David Topics covered: PHP server-side scripting language and MySQL database server, explained for people who do not have much background or experience programming database administration.