PHP and MySQL are great tools for building database-driven websites. There's nothing new about that. What is new is the environment in which your site operates—a world rich (and growing richer) in web services that can add value and functionality in many different ways. Creating... more

To the people who are accomplished in its use, Structured Query Language (SQL) is a highly capable, eminently flexible, even beautiful way of describing the data that you want from a database, or the changes that you want to make to a database. For the rest of us, however, SQL is a... more

SQL (Structured Query Language) is a standard programming language for generating, manipulating, and retrieving information from a relational database. If you're working with a relational database--whether you're writing applications, performing administrative tasks, or generating ... more