Adobe 38028779 Getting Started Guide - Page 217
Understanding Web Applications, About web applications
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APPENDIX A Understanding Web Applications A web application is a collection of web pages that interact with visitors, with each other, and with various resources on a web server, including databases. Before you start building your own web applications, you should be familiar with the concepts discussed in this chapter. The chapter contains the following topics: About web applications 217 How a web application works 219 Authoring dynamic pages 224 Choosing a server technology 226 Web application terminology 227 About web applications A web application is a website that contains pages with partly or entirely undetermined content. The final content of a page is determined only when the visitor requests a page from the web server. Because the final content of the page varies from request to request based on the visitor's actions, this kind of page is called a dynamic page. Web applications are built to address a variety of challenges and problems. This section describes common uses for web applications and gives a simple example. A 217