Read an XML file using a HTTPService and displayed it. Autogenerated a PHP XML service based on database contents previously inserted. The Flex application was supposed to use the service to access the data in the database and display it on the page. However seems there's a problem with the service.
The videos make use of MAMP, a Mac-Apache-MySQL-PHP all-in-one webserver. There may be conflicts with the MySQL that was previously installed and the MAMP's version.