Book Image

Talend Open Studio Cookbook

By : Rick Barton
Book Image

Talend Open Studio Cookbook

By: Rick Barton

Overview of this book

Data integration is a key component of an organization's technical strategy, yet historically the tools have been very expensive. Talend Open Studio is the world's leading open source data integration product and has played a huge part in making open source data integration a popular choice for businesses worldwide.This book is a welcome addition to the small but growing library of Talend Open Studio resources. From working with schemas to creating and validating test data, to scheduling your Talend code, you will get acquainted with the various Talend database handling techniques. Each recipe is designed to provide the key learning point in a short, simple and effective manner.This comprehensive guide provides practical exercises that cover all areas of the Talend development lifecycle including development, testing, debugging and deployment. The book delivers design patterns, hints, tips, and advice in a series of short and focused exercises that can be approached as a reference for more seasoned developers or as a series of useful learning tutorials for the beginner.The book covers the basics in terms of schema usage and mappings, along with dedicated sections that will allow you to get more from tMap, files, databases and XML. Geared towards the whole lifecycle, the Talend Open Studio Cookbook shows readers great ways to handle everyday tasks, and provides an insight into all areas of a development cycle including coding, testing, and debugging of code to provide start-to-finish coverage of the product.
Table of Contents (21 chapters)
Talend Open Studio Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Common Type Conversions
Index

Database and table management


This simple recipe shows how to execute database management and table related commands.

Getting ready

Create a new job jo_cook_ch07_0100_tableManagement.

How to do it…

The steps to be performed are as follows:

  1. Drag the cookbookDB connection onto the canvas and select the component tMysqlRow.

  2. In the Query area add the following code:

    "
    CREATE TABLE `test_mysqlrow` (
      `id` int(11) NOT NULL,
      `data` varchar(45) DEFAULT NULL,
      PRIMARY KEY (`id`)
    ) 
    "
  3. Run the job and you will see that the table testMysqlRow has been created.

How it works…

The tMysqlRow component is the database equivalent of both tJava and tJavaRow, it can be used within a flow like tJavaRow or standalone like tJava.

That said, the tMysqlRow component is most commonly used standalone, like tJava, as in this case, where we create a table.

There's more…

This simple example shows a single, isolated use of tMysqlRow. On most occasions it is used prior to processing to create temporary tables or to drop constraints...