XML structures vary widely in arrangement, complexity, and whether the data is held in content or attributes. A variation of this sample XML is used throughout this article.

With a name like Extensible Markup Language, it must be boring. Right? Shorten that to XML and think again. Fast becoming a requirement for conducting business online, XML is the key to flexibility.

platforms and environments, XML is an irresistible option. It is an open, accepted standard that runs on multiple platforms. It's also the only data technology that clearly spells out data structures ...

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