Product Description

When the first edition of this book was written, XML was a relatively new language but already gaining ground fast and becoming more and more widely used in a vast range of applications. By the time of the second edition, XML had already proven itself to be more than a passing fad, and was in fact being used throughout the industry for an incredibly wide range of uses. With the third edition, it was clear that XML was a mature technology, but more important, it became evident that the XML landscape was dividing into several areas of expertise. Now in this edition, we needed to categorize the increasing number of specifications surrounding XML, which either use XML or provide functionality in addition to the XML core specification.

So what is XML? It’s a markup language, used to describe the structure of data in meaningful ways. Anywhere that data is input/output, stored, or transmitted from one place to another, is a potential fit for XML’s capabilities. Perhaps the most well-known applications are web-related (especially with the latest developments in handheld web access—for which some of the technology is XML-based). However, there are many other non-web-based applications for which XML is useful—for example, as a replacement for (or to complement) traditional databases, or for the transfer of financial information between businesses. News organizations, along with individuals, have also been using XML to distribute syndicated news stories and blog entries.

This book aims to teach you all you need to know about XML—what it is, how it works, what technologies surround it, and how it can best be used in a variety of situations, from simple data transfer to using XML in your web pages. It answers the fundamental questions:

* What is XML?

* How do you use XML?

* How does it work?

* What can you use it for, anyway?

This book is for people who know that it would be a pretty good idea to learn XML but aren’t 100 percent sure why. You’ve heard the hype but haven’t seen enough substance to figure out what XML is and what it can do. You may be using development tools that try to hide the XML behind user interfaces and scripts, but you want to know what is really happening behind the scenes. You may already be somehow involved in web development and probably even know the basics of HTML, although neither of these qualifications is absolutely necessary for this book.

What you don’t need is knowledge of markup languages in general. This book assumes that you’re new to the concept of markup languages, and we have structured it in a way that should make sense to the beginner and yet quickly bring you to XML expert status.

The word “Beginning” in the title refers to the style of the book, rather than the reader’s experience level. There are two types of beginner for whom this book is ideal:

* Programmers who are already familiar with some web programming or data exchange techniques. Programmers in this category will already understand some of the concepts discussed here, but you will learn how you can incorporate XML technologies to enhance those solutions you currently develop.

* Those working in a programming environment but with no substantial knowledge or experience of web development or data exchange applications. In addition to learning how XML technologies can be applied to such applications, you will be introduced to some new concepts to help you understand how such systems work.

The subjects covered in this book are arranged to take you from novice to expert in as logical a manner as we could. This Fourth Edition is structured in sections based on various areas of XML expertise. Unless you are already using XML, you should start by reading the introduction to XML in Part I. From there, you can quickly jump into specific areas of expertise, or, if you prefer, you can read through the book in order. Keep in mind that there is quite a lot of overlap in XML, and that some of the sections make use of techniques described elsewhere in the book.

* The book begins by explaining what exactly XML is and why the industry felt that a language like this was needed.

* After covering the why, the next logical step is the how, so it shows you how to create well-formed XML.

* Once you understand the whys and hows of XML, you’ll go on to some more advanced things you can do when creating your XML documents, to make them not only well formed, but valid. (And you’ll learn what “valid” really means.)

* After you’re comfortable with XML and have seen it in action, the book unleashes the programmer within and looks at an XML-based programming language that you can use to transform XML documents from one format to another.

* Eventually, you will need to store and retrieve XML information from databases. At this point, you will learn not only the state of the art for XML and databases, but also how to query XML information using an SQL-like syntax called XQuery.

* XML wouldn’t really be useful unless you could write programs to read the data in XML documents and create new XML documents, so we’ll get back to programming and look at a couple of ways that you can do that.

* Understanding how to program and use XML within your own business is one thing, but sending that information to a business partner or publishing it to the Internet is another. You’ll learn about technologies that use XML that enable you to send messages across the Internet, publish information, and discover services that provide information.

* Since you have all of this data in XML format, it would be great if you could easily display it to people, and it turns out you can. You’ll see an XML version of HTML called XHTML. You’ll also look at a technology you may already be using in conjunction with HTML documents called CSS. CSS enables you to add visual styles to your XML documents. In addition, you’ll learn how to design stunning graphics and make interactive forms using XML.

* Finally, the book ends with a case study, which should help to give you ideas about how XML can be used in real-life situations, and which could be used in your own applications.

This book builds on the strengths of the earlier editions, and provides new material to reflect the changes in the XML landscape—notably XQuery, RSS and Atom, and AJAX. Updates have been made to reflect the most recent versions of specifications and best practices throughout the book. In addition to the many changes, each chapter has a set of exercise questions to test your understanding of the material. Possible solutions to these questions appear in Appendix A.

Part I: Introduction: The introduction is where most readers should begin. The first three chapters introduce some of the goals of XML as well as the specific rules for constructing XML. Once you have read this part you should be able to read and create your own XML documents.

Chapter 1: What Is XML?: This chapter cover some basic concepts, introducing the fact that XML is a markup language (a bit like HTML) whereby you can define your own elements, tags, and attributes (known as a vocabulary). You’ll see that tags have no presentation meaning—they’re just a way to describe the structure of the data.

Chapter 2: Well-Formed XML: In addition to explaining what well-formed XML is, we offer a look at the rules that exist (the XML 1.0 and 1.1 Recommendations) for naming and structuring elements—you need to comply with these rules in order to produce well-formed XML.

Chapter 3: XML Namespaces: Because tags can be made up, you need to avoid name conflicts when sharing documents. Namespaces provide a way to uniquely identify a group of tags, using a URI. This chapter explains how to use namespaces.

Part II: Validation: In addition to the well-formedness rules you learn in Part I, you will most likely want to learn how to create and use different XML vocabularies. This Part introduces you to DTDs, XML Schemas, and RELAX NG: three languages that define custom XML vocabularies. It also shows you how to utilize these definitions to validate your XML documents.

Chapter 4: Document Type Definitions: You can specify how an XML document should be structured, and even provide default values, using Document Type Definitions (DTDs). If XML conforms to the associated DTD, it is known as valid XML. This chapter covers the basics of using DTDs.

Chapter 5: XML Schemas: XML Schemas, like DTDs, enable you to define how a document should be structured. In additio...

Product Details

• Amazon Sales Rank: #40531 in Books
• Published on: 2007-05-21
• Original language: English
• Number of items: 1
• Binding: Paperback
• 1080 pages

Features

• ISBN13: 9780470114872
• Condition: USED - VERY GOOD
• Notes:
• Click here to view our Condition Guide and Shipping Prices

Amazon.com Review
Beginning XML provides a complete course in the Extensible Markup Language (XML) with an unusually gradual learning curve. In fact, the introduction states that the book is "for people who know that it would be a pretty good idea to learn the language, but aren't 100 percent sure why." Despite its recognition of the fuzziness of readers' understanding of the technology, the book delivers a rather comprehensive study of XML.

Very little space is wasted detailing the history of XML and its relation to SGML, as is the case in many other titles. The argument for the importance of XML is made quickly, and the basics of well-formed syntax are tackled right off. One notable distinction of this book is its excellent coverage of related technologies, such as cascading style sheets (CSS) and relational databases.

In addition to discussing the crucial companion standards to the core XML language (DTDs, XSL, and XSLT), the book adds a nice perspective to the broad range of applications in which XML can play a role. One section, "Other Uses for XML," illustrates how XML can be used to serialize object models, creating stateless objects and utilizing the Resource Description Framework (RDF). Case studies on--among other things--how XML can be used to build discussion groups, and provide B2B data transfer, round out the text. This book is perfect for Web programmers who are turning their attention to XML for the first time. It imparts a solid understanding of the XML forest and XML trees. --Stephen W. Plain

Topics covered:

• Well-formed XML
• Cascading style sheets (CSS)
• XSLT and Xpath
• Document Object Model (DOM)
• Simple API for XML (SAX)
• XML/database integration schemas
• Document Type Definitions (DTDs)
• Namespaces
• B2B data-transfer applications
• Discussion group applications

Review
"…a comprehensive text for anyone who is serious about learning XML…" (International Developer, June 2005)

From the Publisher
This book is for people who know that it would be a pretty good idea to learn the language, but aren't 100% sure why. You've heard the hype, but haven't seen enough substance to figure out what XML is, and what it can do. Beginning XML covers everything from what XML is and why the industry felt that a language like this was needed, to creating 'well-formed' and valid XML documents and learning how to use them in real development environments.

Customer Reviews

Excellent straightforward way to learn XML from scratch
Having read quite a few XML books from Wrox (5-6), I think that this book will be able to touch the biggest audience. It contains a very good approach to learn about XML well-formed documents, CSS for XML, XSL(T), DTD, and it also have some nice Case-Studies that goes along. Hey, you even have an introduction to ASP and another one for HTML; for those of you new to the Internet.

Most of the XML books (straight one, not XML for VB for example) contains the same TOC but this one has the best approach so far.

If you are new to XML, take this one.

If you know a bit of XML (and PROGRAMMED it), you can take the Professional XML which will go a little bit more in depth (not that much)

If you know what you are doing with XML and wants to learn more about XSLT, get the XSLT Programmer's Reference(great book) from Wrox.

If you want a very good Case-Study, take the Professional XML Design and Implementation (also good).

Then you are off with ASP XML, VB XML, or Java XML.

Happy XML hunting.

A Great Beginning Book for the XML Novice
One thing to remember about this book before you buy: It is a "Beginning XML Book," NOT a "Beginner" book. You are going to need some knowledge of data management, file management, and web page development to understand the groundwork for XML development.

However, if you do have basic ASP, SQL, and HTML skills like I do, then this book is a great start if you want to add XML to your skillset.

As with all Wrox books published over the last two years, this book is well-structured, well-written, and well-indexed. It will teach you more than you need to know for XML basics, and you can use the book as a reference down the road.

I waited for this book to come out all summer, and it was well worth the price and time I put into it. Good job, Wrox!

A Candy giving Headaches
No doubt this is a must for beginners in XML, and after a long time the GODs at Wrox decided to grace us poor programmers who are not gurus with a Beginning book. The way they had been churning out Professional series out of their factories I had already prepared my obituary for the Beginning series.

About the book. One of the best on the block for XML. Language is simple, easy to understand, and handles complex topics like XSLT very deftly.

Downside. Very very wordy. This is the first time I see in a Beginning series the author spending so much ink and pages on simplest of topics. Strangely enough some complex topic are written off in half a page. Examples in XSLT dont work. Inspite of downloading the XT program which the author recommends, more than half of the examples of the book don't work, leaving you depressed and confused, you then tend to re-read the pages, trying to find if you missed anything... XML applications arent covered in a greater detail and neither are practical examples for XML use shown.

In my opinion even with its faults this book is still, one of the better ones on the block, try skimming thro the earlier pages a bit faster if you don't want to be put to sleep. Don't waste too much time if the books XSLT examples don't work, just buy this books to get your basics covered and made strong.

Lastly, as I have mentioned again and again, Wrox beginning series are no longer what they used to be, and if anyone at wrox is reading this, I pleade them to get back on their earlier motto of providing quality books like the beginning asp/asp databases/javascript series, or end up losing their fans like me.