Chapter 1: Using XML with SQL
In This Chapter
Using XML to bridge communication gaps
Becoming familiar with XML and XML document parts
Working with SQL’s XML data type
Mapping SQL to XML
Operating on XML data with SQL functions
XML stands for Extensible Markup Language, a general-purpose markup language that, like HTML, is a subset of SGML (Standard Generalized Markup Language). XML’s primary purpose is to serve as a means of sharing information between information systems that could have very different architectures. SQL provides the worldwide standard method for storing data in a highly structured fashion, which enables users to maintain data stores of a wide range of sizes and efficiently extract from those data stores the information they want. XML has risen from a de facto standard to an official standard vehicle for transporting data between incompatible systems, particularly over the Internet. Bringing these two powerful methods together greatly increases the value of both. ...