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Pentaho 3.2 Data Integration: Beginner's Guide

You're reading from  Pentaho 3.2 Data Integration: Beginner's Guide

Product type Book
Published in Apr 2010
Publisher Packt
ISBN-13 9781847199546
Pages 492 pages
Edition 1st Edition
Languages
Concepts

Table of Contents (27) Chapters

Pentaho 3.2 Data Integration Beginner's Guide
Credits
Foreword
The Kettle Project
About the Author
About the Reviewers
Preface
1. Getting Started with Pentaho Data Integration 2. Getting Started with Transformations 3. Basic Data Manipulation 4. Controlling the Flow of Data 5. Transforming Your Data with JavaScript Code and the JavaScript Step 6. Transforming the Row Set 7. Validating Data and Handling Errors 8. Working with Databases 9. Performing Advanced Operations with Databases 10. Creating Basic Task Flows 11. Creating Advanced Transformations and Jobs 12. Developing and Implementing a Simple Datamart 13. Taking it Further Working with Repositories Pan and Kitchen: Launching Transformations and Jobs from the Command Line Quick Reference: Steps and Job Entries Spoon Shortcuts Introducing PDI 4 Features Pop Quiz Answers Index

Chapter 10. Creating Basic Task Flows

So far you have been working with data. You got data from a file, a sheet, or a database, transformed it somehow, and sent it back to some file or table in a database. You did it by using PDI transformations. A PDI transformation does not run in isolation. Usually, it is embedded in a bigger process. Here are some examples:

  • Download a file, clean it, load the information of the file in a database, and fill an audit file with the result of the operation.

  • Generate a daily report and transfer the report to a shared repository.

  • Update a datawarehouse. If something goes wrong, notify the administrator by e-mail.

All these examples are typical processes of which a transformation is only a piece. These types of processes can be implemented by PDI Jobs. In this chapter, you will learn to build basic jobs. These are the topics that will be covered:

  • Introduction to jobs

  • Executing tasks depending upon conditions

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