This article covers the process of building a real working AJAX application
on top of Oracle's free database software. The demonstration takes advantage
of features integrated directly into Oracle Database 10g Express Edition
(Oracle XE), the Embedded PL/SQL Gateway and Oracle XML DB, which let you
serve XML content derived from SQL queries directly over HTTP protocol.
You've probably run up against one of the numerous frameworks for AJAX that
were probably Java- or .NET-based. Although they fit large-scale environments
perfectly, smaller projects may not require such overwhelming resources as a
J2EE stack. Besides, understanding the technology behind XMLHttpRequest may
help you use asynchronous requests better under just about any Web
development environment.
The conce... (more)