Chapter 1. Introduction to XML
The Internet is driving an unprecedented demand for access to information. Seduced by the convenience of paying bills, booking flights, tracking stocks, checking prices, and getting everything from gifts to groceries online, consumers are hungry for more. Compelled by the lower costs of online outsourcing and the ability to inquire, day or night, “What’s the status?,” businesses are ramping up to reap the rewards. Excited by improved efficiency and universal public access, governments are considering how all kinds of raw data, from financial reports to federally funded research, can be published online in an easily reusable format.
More than ever before, database-savvy web application developers working to capitalize on these exciting Internet-inspired opportunities need to rapidly acquire, integrate, and repurpose information, as well as exchange it with other applications both inside and outside their companies. XML dramatically simplifies these tasks.
As with any new technology, you first need to understand what XML is, what you can do with it, and why you should use it. With all the new terms and acronyms to understand, XML can seem like a strange new planet to the uninitiated, so let’s walk before we run. This chapter introduces “Planet XML” and the “moons” that orbit it, and provides a high-level overview of the tools and technology Oracle offers to exploit the combined strengths of XML and the Oracle database in your web applications.
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