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Title: The XML Schema Companion by Neil Bradley ISBN: 0-321-13617-9 Publisher: Pearson Education Pub. Date: 07 November, 2003 Format: Paperback Volumes: 1 List Price(USD): $39.99 |
Average Customer Rating: 4 (2 reviews)
Rating: 4
Summary: Solid reference work
Comment: This is a solid reference work on XML Schema. I wouldn't go looking to it for advice on how to solve particular problems with XML Schema. But if you are looking for a quick reference guide that covers all of the syntax with annotated examples then you have come to the right place. The graphics, which are light-weight and to the point help to illustrate the key points.
Two minor complaints are that the structure of the book is odd (chapters at the end of the book which are clearly appendices are structured as chapters), and the index is also a little short.
On the positive note, XML schema is not a particularly exciting topic and Neil's tone keeps it a light and interesting read.
So far this is the best book I have read on the subject.
Rating: 4
Summary: Namespaces are the key concept
Comment: You probably know that XML is descended from SGML, and it thus inherited DTDs, which were then the only means of specifying a document model. That proved adequate for SGML, but its limitations soon became clear in XML. Several alternatives were proposed, but XML Schema seems to be winning. Thus Bradley has delivered a timely exposition. He covers all the features clearly. A brief mention is made of its competitors, Relax NG and Schematron. But they do seem to be fading fast.
The most interesting part of Bradley's text are the chapters on namespaces. Other aspects of Schema are lower level and, while useful, are frankly mundane. By contrast, namespaces are the critical feature of Schema. They let you build on pre-existing schemas that have been published on the web. And you can publish your schemas so that others might benefit. You and those in your field or industry can cooperatively derive a net gain by agreeing and publishing standard definitions. A Network effect.
I assume that you are familiar with HTML. In that, the crucial element are the hyperlinks (the href and src attributes in certain tags). It is these that put the "H" in HTML. Without them, HTML just becomes a limited page markup language. It is that ability to link to arbitrary locations on the Internet which produced the Web. Likewise, in the much heralded Web Services, these exchange data via XML. Which in turn depends on XML Schema to build consistent hyperlinked semantics.
You should read Bradley's chapters on namespaces thoroughly.
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Title: XML for Data Architects: Designing for Reuse and Integration by James Bean ISBN: 1558609075 Publisher: Morgan Kaufmann Pub. Date: June, 2003 List Price(USD): $39.95 |
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Title: Modeling Business Objects with XML Schema by Berthold Daum ISBN: 1558608168 Publisher: Morgan Kaufmann Pub. Date: March, 2003 List Price(USD): $49.95 |
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Title: Pattern-Oriented Analysis and Design: Composing Patterns to Design Software Systems by Sherif M. Yacoub, Hany H. Ammar, Sherif Yacoub, Hany Ammar ISBN: 0201776405 Publisher: Addison-Wesley Pub Co Pub. Date: 15 August, 2003 List Price(USD): $59.99 |
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Title: XQuery : The XML Query Language by Michael Brundage ISBN: 0321165810 Publisher: Pearson Higher Education Pub. Date: 02 February, 2004 List Price(USD): $49.99 |
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Title: Professional XML Development with Apache Tools : Xerces, Xalan, FOP, Cocoon, Axis, Xindice by Theodore W. Leung ISBN: 0764543555 Publisher: John Wiley & Sons Pub. Date: 15 December, 2003 List Price(USD): $39.99 |
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