We will survey technologies in terms of which categories they fit into and how to understand the requirements and functions of those categories. Okay, let's start getting into the thick of things. If you are reading this, you probably already have some conception of what a web application is and does. You might even be tasked with setting up a development environment at your office to start producing web applications in support of your business. However, even if you are totally new to the field, don't worry.
Web applications are actually pretty simple conceptually.
Essentially, all web applications do pretty much the same things Provide a Query Interface - Web Applications provide users with an interface for entering data. Massage Data - Processing almost always involves playing with data on the server. Display might be as simple as interpreting HTML, or as complex as performing calculations, sorting, or other manipulations of the data. Consider the following generic web application work flow diagram. And that's it.