This is a simple demonstration of the power and flexibility of the PHP scripting language in combination with a MySQL database.
In a real world application, using PHP/MySQL to maintain your site, pages like this will be in a hidden, password protected area of your site.
Then you, as the site owner, use simple fill-in-the-blank forms on pages like this to maintain the underlying database tables which are used to generate the content of your web site.
Enter some fictional information in this form, and click 'Save'. Then follow the link to see how your entries can be displayed instantly!