Tuesday, March 3, 2009

XML Schema

XML Schema
Book Rank : #93 [xml]
Paperback: 400 pages
Publisher: O'Reilly Media, Inc.; 1st edition (June 15, 2002)
Language: English
ISBN-10: 0596002521
ISBN-13: 978-0596002527
Product Dimensions: 9.1 x 7 x 0.6 inches






If you need to create or use formal descriptions of XML vocabularies, the W3C's XML Schema offers a powerful set of tools for defining acceptable document structures and content. An alternative to DTDs as the way to describe and validate data in an XML environment, XML Schema enables developers to create precise descriptions with a richer set of datatypes that are essential for today?s applications. While schemas are powerful, that power comes with substantial complexity. This concise book explains XML Schema foundations, a variety of different styles for writing schemas, simple and complex types, datatypes and facets, keys, extensibility, documentation, design choices, best practices, and limitations, with examples throughout. In addition, XML Schema provides a complete reference to all parts of both the XML Schema Structures and XML Schema Datatypes specifications, as well as a glossary. Appendices explore the relationships between XML Schema and other tools for describing document structures as well as work in progress at the W3C to more tightly integrate XML Schema with existing specifications.

User Review:
Having recently read "Definitive XML Schema" by Priscilla Walmsley I thought I'd learned all I needed to know about XML Schema. That book is more tutorial in tone and content, while this one quickly dispenses with the background material and gets into the technical details. In fact, by chapter 2 you're already developing a schema and the subsequent chapters drill deeper into the mechanics of XML Schema.

I like the way each facet, factor and detail of XML schema is covered, including clear descriptions of data types, a direct linkage to XML-based databases, and all of the building blocks along the way. More importantly, the author provides multiple approaches to developing schemas, and sufficiently covers the syntactical requirements and specifications to allow you to become proficient in creating them for real applications.

The book is fast-paced and you will need to be familiar with XML and its related vocabularies in order to follow this book. If you need a more introductory, tutorial-based book get "Definitive XML Schema" by Priscilla Walmsley. However, if you understand the fundamentals of relational databases, are currently developing DTDs and understand XML, this book is better suited to your experience level and is the one I recommend.

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