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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
Languages
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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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Toc

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

Loading fact tables

Fact tables contain the central information of star models. In this section, you will learn to load these kinds of tables. This is the list of topics covered:

  • Introducing different kinds of fact tables
  • Translating business keys into surrogate keys
  • Loading fact tables with PDI

Learning the basics about fact tables

As explained in the introduction, fact tables are the central tables in a dimensional model. While the dimensions serve to group, filter, and describe data, the fact tables contain the measures of the business. There are basically two types of fact tables:

  • Cumulative: They describe what happened over a period of time—a Sales fact table is a typical example of this. ...
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