Book Image

Pentaho Data Integration Cookbook - Second Edition

Book Image

Pentaho Data Integration Cookbook - Second Edition

Overview of this book

Pentaho Data Integration is the premier open source ETL tool, providing easy, fast, and effective ways to move and transform data. While PDI is relatively easy to pick up, it can take time to learn the best practices so you can design your transformations to process data faster and more efficiently. If you are looking for clear and practical recipes that will advance your skills in Kettle, then this is the book for you. Pentaho Data Integration Cookbook Second Edition guides you through the features of explains the Kettle features in detail and provides easy to follow recipes on file management and databases that can throw a curve ball to even the most experienced developers. Pentaho Data Integration Cookbook Second Edition provides updates to the material covered in the first edition as well as new recipes that show you how to use some of the key features of PDI that have been released since the publication of the first edition. You will learn how to work with various data sources – from relational and NoSQL databases, flat files, XML files, and more. The book will also cover best practices that you can take advantage of immediately within your own solutions, like building reusable code, data quality, and plugins that can add even more functionality. Pentaho Data Integration Cookbook Second Edition will provide you with the recipes that cover the common pitfalls that even seasoned developers can find themselves facing. You will also learn how to use various data sources in Kettle as well as advanced features.
Table of Contents (21 chapters)
Pentaho Data Integration Cookbook Second Edition
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
References
Index

Introduction


A transformation by itself rarely meets all the requirements of a real-world problem. It's common to face some of the following situations:

  • You need to execute the same transformation over and over again

  • You need to execute a transformation more than once, but with different parameters each time

  • You need to decide at runtime which job to run from a group of jobs

  • You have to re-use part of a transformation in a different scenario

Kettle is versatile enough to meet those situations. However, it is easy to get confused trying to do some of them without guidance.

This chapter contains quick recipes just meant to teach you the basics. The transformations and jobs used are simple enough to serve as templates for you to modify for your own needs.

Before starting on the recipes, let's take a look at the following subsections:

  • Sample transformations: As the name suggests, this section explains the sample transformations that will be used throughout the chapter.

  • Launching jobs and transformations...