If you wanna test web applications and don't have the time and experience in setting up a complete LAMP environment on Mac you should have a look at MAMP. It's a complete Apache, MySQL, PHP distribution with a small management gui.

Just install the package and start the MAMP application …

Most webapplications are using a database to store there information nowadays. Often MySQL is used to do this task if it's an cost sensitive organisation or person. MySQL is easy to install and manage in small environments but if you have many transactions and higher load on your database you …