Developers often dispute the merits of SQL as a legitimate programming language, but this misses the point. SQL is a powerful 4GL for accessing data.

So if you want a lucrative programming career (even the lowest paid SQL developers make upwards of $60,000 a year), it’s imperative that you learn a database programming language like SQL.

Maybe it's not the sexiest programming language, but SQL continues to be important--at least according to one measurement.

The original SQL paper was first published in May 1974 by Donald Chamberlin and Raymond Boyce and goes through a set of commands that can be used to work with data and provide those results back ...

Most frameworks and programming-language tools for handling SQL have ways to escape input from users, meaning to modify it in such a way to nullify any hidden SQL commands.

From fundamental concepts for beginners through advanced topics such as object-oriented development, basic SQL language commands, and much more, you can learn to use PHP to create powerful web apps.