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 (17 chapters)

Inserting, updating, and deleting data


By now, you know how to get data from a database. Now you will learn how to perform other basic operations. The next sections explain different ways to insert, update, and delete data from a database.

Inserting new data into a database table

The Table output step is the main PDI step to insert new data into a database table.

The use of this step is simple. You have to create a stream of data with the data that you want to insert. At the end of the stream, you will add a Table output step and configure it to perform the operation.

The following screenshot shows the dialog window for the step:

Table output dialog window

As you can see, there is the main area where you enter the name of the database connection and the name of the table where you want to insert data. These fields are mandatory.

Then you have the Database Field tab where you specify the mapping between the dataset stream fields and the table fields. In order to fill this tab, you have to check...