June 2006
Intermediate to advanced
1344 pages
42h 52m
English
Web-based applications are multitier applications (sometimes referred to as n-tier applications). Multitier applications divide functionality into separate tiers (i.e., logical groupings of functionality). Although tiers can be located on the same computer, the tiers of Web-based applications typically reside on separate computers. Fig. 21.3 presents the basic structure of a three-tier Web-based application.
The information tier (also called the data tier or the bottom tier) maintains data pertaining to the application. This tier typically stores ...
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