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

The PHP server-side scripting language and the MySQL database management system (DBMS) make a potent pair. Both are open-source products--free of charge for most purposes--remarkably strong, and capable of handling all but the most enormous transaction loads. Both are supported by large,... more

Regular expressions help users and developers to find and manipulate text more effectively and efficiently. In addition, regular expressions are supported by many scripting languages, programming languages, and databases. This example-rich tutorial helps debunk the traditional reputation of... more