The Server-side Technology

Looking back to the first practical example above you will notice that we do not necessarily need a web server to test it, as all it needs is just your web browser.

But not every webpage can be processed by the web browser alone, such as a PHP, JSP or ASP.NET file or files programmed using similar programming language because they may or may not contains HTML, JavaScript, XML or CSS which are all client-side technologies, therefore this file require the presence of a server and application server to execute their program. For example, this program may be to store your record (into a database on the server) after completing a registration form or even to restriction login access to only registered member of a forum, or to keep track of your orders in a shopping Website and so on.

Below is an illustration showing how a typical server-side technology works, during a database interaction.

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