Book Image

Learning Pentaho Data Integration 8 CE - Third Edition

Book Image

Learning Pentaho Data Integration 8 CE - Third Edition

Overview of this book

Pentaho Data Integration(PDI) is an intuitive and graphical environment packed with drag-and-drop design and powerful Extract-Tranform-Load (ETL) capabilities. This book shows and explains the new interactive features of Spoon, the revamped look and feel, and the newest features of the tool including transformations and jobs Executors and the invaluable Metadata Injection capability. We begin with the installation of PDI software and then move on to cover all the key PDI concepts. Each of the chapter introduces new features, enabling you to gradually get practicing with the tool. First, you will learn to do all kind of data manipulation and work with simple plain files. Then, the book teaches you how you can work with relational databases inside PDI. Moreover, you will be given a primer on data warehouse concepts and you will learn how to load data in a data warehouse. During the course of this book, you will be familiarized with its intuitive, graphical and drag-and-drop design environment. By the end of this book, you will learn everything you need to know in order to meet your data manipulation requirements. Besides, your will be given best practices and advises for designing and deploying your projects.
Table of Contents (23 chapters)
Title Page
Credits
About the Author
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface

Chapter 11. Loading Data Marts with PDI

Performing Create, Read, Update and Delete (CRUD) operations on databases is just the beginning in your database-learning journey. Besides that, there are other interesting things that you can do with databases, for example, addressing data warehouse concepts. This chapter is fully devoted to data warehouse-related concepts. The list of the topics that will be covered includes the following:

  • Introducing dimensional modeling
  • Learning the basics of dimensions
  • Loading a different kind of dimensions including time, junk and mini dimensions
  • Loading slowly changing dimensions Type I and Type II
  • Learning the basics of fact tables
  • Loading cumulative and snapshot fact tables