Submitted by Adam » Database abstraction layers provide an important role in modern web applications built with PHP. They allow you to easily switch your back end database server by changing just a few lines of code in your application.
There are a number of different ways to share this tutorial with others. Below are the links to many different social networking and social bookmarking sites- just click on your favorite service and most of the work should be done for you. Other methods of sharing tutorials will come in the future.
