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Definitive XML Schema
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Definitive XML Schema (Paperback)
by Priscilla Walmsley (Author)
(32 customer reviews)                                                                                                                                                 

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Editorial Reviews
From the Back Cover

The authoritative XML Schema reference and tutorial!

  • Leverage the full power of XML Schema!
  • In-depth coverage of the approved W3C Recommendation
  • Schema design—practical and thorough
  • Transition help for experienced DTD developers
  • Authoritative! By Priscilla Walmsley—a member of the W3C XML Schema Working Group

To leverage the full power of XML, companies need shared vocabularies to base their documents and scripts upon. XML Schema makes it possible to create those shared vocabularies-and Definitive XML Schema is the authoritative guide to the standard! Written by Priscilla Walmsley, a member of the W3C working group that created XML Schema, this book explains the W3C Recommendation with unprecedented insight and clarity—and introduces practical techniques for writing schemas to support any B2B, Web service, or content processing application. Coverage includes:

  • How XML Schema provides a rigorous, complete standard for modeling XML document structure, content, and datatypes
  • Working with schemas: Schema composition, instance validation, documentation, namespaces, and more
  • XML Schema building blocks: elements, attributes, and types
  • Advanced techniques: type derivation, model groups, substitution groups, identity constraints, redefinition, and much more
  • An in-depth primer on effective schema design, including naming, document structure, and extensibility considerations
  • Transition guidance for experienced DTD developers

Definitive XML Schema brings together expert guidance for schema design, superior approaches to schema development, and the most systematic XML Schema reference on the market. Whether you're a developer, architect, or content specialist, it's the only XML Schema resource you need!

"XML Schema is an incredibly powerful-and complex-document schema language, with such new capabilities as strong typing, modularity, inheritance, and identity constraints. This book guides you through the complexity so you can confidently use that power for your own projects."

—Charles F. Goldfarb

About the Author

PRISCILLA WALMSLEY is a software architect at Vitria Technology, specializing in XML architecture and data management. She previously co-founded XMLSolutions Corporation. Walmsley has extensive expertise in electronic commerce, enterprise application integration, and data management, and has served with the W3C XML Schema Working Group since 1999.

About the Series Editor

Charles F. Goldfarb is the father of XML technology. He invented SGML,the Standard Generalized Markup Language on which XML and HTML arebased. You can find him on the Web at

See all Editorial Reviews

Product Details
Priscilla Walmsley
Definitive XML Schema Posts
  Sent the following post to customers who purchased Definitive XML Schema

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3:10 PM PDT, September 23, 2006
Thanks for your interest in Definitive XML Schema. I wanted to call your attention to the companion Web site, which is at:

It provides more information about the book, such as a detailed table of contents and a sample chapter. It also lists any known errata, and allows you to download or browse all of the examples. 

I love to receive feedback on my books, so please contact me with your comments. I look forward to hearing from you!



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Customer Reviews
32 Reviews
5 star: 84%  (27)
4 star: 3%  (1)
3 star: 3%  (1)
2 star: 6%  (2)
1 star: 3%  (1)
Average Customer Review
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Most Helpful Customer Reviews

36 of 36 people found the following review helpful:
Many insights, not mere facts., August 17, 2003
By Venkat Raghavan Rangamani (Boxborough, MA United States) - See all my reviews
There are quite a few books about XML Schema in the market. There are quite a few freebie tutorials on the web too. These may serve your purpose well enough if you are merely trying to acquire an overview of the subject. But if you are like me, learning XML schema on the job and having trouble finding specific answers as you design a new schema or worse extend an exisiting schema, this book is certainly for you.

Namespaces are a fairly complex topic and they are handled very well in this textbook. Much of my confusion about how to mix and match the SimpleContent, SimpleType, ComplexContent and ComplexType tags vanished after I read the relevant chapters. The last chapter on reuse and extension is a gem and shows that Walmsley is not one of the rapidly proliferating clan of writers whose chapters are mere rephrasings of the manuals. She brings impressive credentials from the W3C and it shows in each page.

I was in the middle of extending a schema when I ran out and bought this book. I ran into some truly murky waters with deterministic and non deterministic schemas when my Microsoft XML parser threw up its hands and refused to validate my XML against my XSD because it was non deterministic. I could find few satisfactory solutions elsewhere. This book gave me all the answers I needed.

If you are a serious schema developer, buy this book, its well worth the money.

14 of 14 people found the following review helpful:
Great, clear coverage of XML Schema, May 27, 2003
By "guy_from_california" (Temecula, CA United States) - See all my reviews
I'm new to XML, Schemas, etc. This is my first book regarding XML, and I feel like I came away with a lot of knowledge from it. I'm sure you can get the table of contents from other reviews and from Amazon's "sneak peeks", so I'll forego that and get on with personal opinion. Walmsley has a nice, clear writing style that only requires one read to grasp her points. Yes, I understand that most (if not all) of this material is living for free on one or more web sites, but I prefer to have it all in one well-written book. This was definitely worth the money.

9 of 9 people found the following review helpful:
A very good reference , June 21, 2005
At first, I found the format a bit cumbersome -- it is not necessarily well-suited to individuals that want only a high-level understanding of XML Schema. However, after getting involved in a project that required defining equivalences between XML Schemas and a proprietary type system, I found this book to be extraordinarily useful and thorough. It now has lots of highlighted sections and tabbed pages. I highly recommend this book to anyone who has the need to invest significant time in understanding XMLSchema.

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Most Recent Customer Reviews

Clear and useful
XML Schema can be really confusing but this book has made it much more clear to me. In particular, I muddled through my project never really understanding things like namespaces... Read more
Published 3 months ago by dkurtz

Great Reference Book
This book was very helpful in getting me up to speed with XML Schema. It was written well and I have provided the added detail I needed to go above and beyond up at work... Read more
Published 3 months ago by John Albert Peterson

A Useful companion to the official standard
Imagine yourself sitting in front of the formal w3c standard(s) and trying to read it cover to cover... Read more
Published 5 months ago by Shlomo Yona

My Schema Reference Book
Walmsley's book is the one I go to as the reference for W3C Schema. It is clear and very accurate and reliable. I find the examples relevant and helpful. Read more
Published 12 months ago by Dale Waldt

Awful as reference
Since all other reviews are very positive, I'm here to offer a different opinion.

I've had this book for over a year now, and I barely use it. Read more
Published 12 months ago by The Amazon Shopper

Clear and comprehensive--the only book you'll need
I first read through this book about four years ago. I remember thinking how nice it was to just plug into a book, read through it effortlessly (and quickly), and come out the... Read more
Published 15 months ago by Evan Lenz

Excellent treatment of Schemas
If you need a book to have good examples to coperfasten your understanding of the theory, then this book is brilliantly written. Read more
Published 18 months ago by Michael Murphy

Superb reference
While all of the information in this tome can be extracted from somewhere in the specification or online, I find it much easier and faster to have one definitive (as the title... Read more
Published 23 months ago by Justin Makeig

Suberb Guide to XML Schema
The XML Schema specification is becoming an increasingly important part of the IT industry. When implemented, it is a complex and feature rich technology that is frequently... Read more
Published 24 months ago by Senior Developer and Architect

Only for beginners.
This book take a long time to arrive at any substance on Schemas and is only good for total novices to world of XML Schemas. Read more
Published 24 months ago by Joe

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