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Pentaho Data Integration 4 Cookbook

You're reading from   Pentaho Data Integration 4 Cookbook Over 70 recipes to solve ETL problems using Pentaho Kettle

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Product type Paperback
Published in Jun 2011
Publisher Packt
ISBN-13 9781849515245
Length 352 pages
Edition 1st Edition
Tools
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Toc

Table of Contents (17) Chapters Close

Pentaho Data Integration 4 Cookbook
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
1. Working with Databases FREE CHAPTER 2. Reading and Writing Files 3. Manipulating XML Structures 4. File Management 5. Looking for Data 6. Understanding Data Flows 7. Executing and Reusing Jobs and Transformations 8. Integrating Kettle and the Pentaho Suite 9. Getting the Most Out of Kettle Data Structures Index

Generating complex XML structures


In previous recipes, you learned how to read and write simple XML structures. With Kettle, you can also generate more complex structures with different levels of information, which is more likely to be similar to the structures you find in real case scenarios.

Suppose you need to create a complex XML structure with a hierarchy of two levels: the authors in the first level and their books as their children. In this case, you can't use the XML output job entry, because it only works with simple structures. For theses cases, you must learn to use the XML Join step.

The objective for the recipe is to get the following XML structure:

<result>
   <authors>
       <author id_author =…>
          <lastname>…</lastname>
          <firstname>…</firstname>
          <nationality>…</nationality>
          <birthyear>…</birthyear>
          <books>
              <book id_title =…>
           ...
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