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

Looking for values over intranet or the Internet


This example is similar to the previous one, with the difference being that you have to lookup the museum opening hours on a website instead of a web server. In this case, you will use the HTTP Client step. This step is useful to retrieve information from websites that do not normally provide data through web services, like in the previous recipe. This method is also known as web scraping.

Getting ready

You must have a database with the museum structure shown in Appendix A, Data Structures, and a web page that provides the museum opening hours. The recipe uses an ASP page named hours.asp, but you can use the language of your preference. This recipe will require a server that supports ASP (or the language of your preference), such as Microsoft's IIS, or using Apache's web server with mono, a cross platform, open source .NET development framework. The page receives the museum's identification and returns a string with the schedule. You can download...