Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Great MySQL reference with quality tutorials/examples

This book answers a lot of questions left out by other MySQL books. If you are new at this, take the time and download the samp. databases and work through the examples. The PHP section is also very informative and helpful.MySQL + PHP + Apache + Linux = a combination that is very hard to beat! Learn it, love it, live it.