Web application environment
Web-based applications run on a Web application server and access data on an enterprise information system, such as a DB2 database server. The components of Web-based applications are spread across multiple tiers, or layers. In general, the user interface is on the first tier, the application programs are on the middle tier, and the data sources that are available to the application programs are on the enterprise information system tier. Developing Web-based applications across a multitiered architecture is referred to as server-side programming.
Writing server-side programs is complicated and requires a detailed understanding of Web server interfaces. Fortunately, application servers, such as WebSphere Application ...
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