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Learning Pentaho Data Integration 8 CE

You're reading from   Learning Pentaho Data Integration 8 CE An end-to-end guide to exploring, transforming, and integrating your data across multiple sources

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Product type Paperback
Published in Dec 2017
Publisher Packt
ISBN-13 9781788292436
Length 500 pages
Edition 3rd Edition
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Author (1):
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María Carina Roldán María Carina Roldán
Author Profile Icon María Carina Roldán
María Carina Roldán
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Table of Contents (17) Chapters Close

Preface 1. Getting Started with Pentaho Data Integration 2. Getting Started with Transformations FREE CHAPTER 3. Creating Basic Task Flows 4. Reading and Writing Files 5. Manipulating PDI Data and Metadata 6. Controlling the Flow of Data 7. Cleansing, Validating, and Fixing Data 8. Manipulating Data by Coding 9. Transforming the Dataset 10. Performing Basic Operations with Databases 11. Loading Data Marts with PDI 12. Creating Portable and Reusable Transformations 13. Implementing Metadata Injection 14. Creating Advanced Jobs 15. Launching Transformations and Jobs from the Command Line 16. Best Practices for Designing and Deploying a PDI Project

Manipulating simple fields

As already said, transformations deal with the data flow. As data goes through the PDI steps of a Transformation, it is manipulated or transformed in different ways. You already experimented with some possibilities. In this section, you will learn in detail how to transform different data according to your needs.

Working with strings

For any string, there are many transformations that you can apply to it, for example:

  • Extracting part of the string
  • Removing leading spaces
  • Converting to uppercase

PDI offers several ways to do this. It's also common to find more than one step that can be used for the same purpose. The following table summarizes the most common PDI steps used to operate...

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