Beginning XML
Chapter One
What Is XML?
XML (Extensible Markup Language) is a buzzword you will see everywhere on the Internet, but it's
also a rapidly maturing technology with powerful real-world applications, particularly for the
management, display, and organization of data. Together with its many related technologies,
which are covered in later chapters, XML is an essential technology for anyone working with data,
whether publicly on the web or privately within your own organization. This chapter introduces
you to some XML basics and begins to show you why learning about it is so important.
This chapter covers the following:
The two major categories of computer file types-binary files and text files-and the
advantages and disadvantages of each
The history behind XML, including other markup languages such as SGML and HTML
How XML documents are structured as hierarchies of information
A brief introduction to some of the other technolo ... read full excerpt from Beginning XML ebook