Book Image

SAP Data Services 4.x Cookbook

Book Image

SAP Data Services 4.x Cookbook

Overview of this book

Want to cost effectively deliver trusted information to all of your crucial business functions? SAP Data Services delivers one enterprise-class solution for data integration, data quality, data profiling, and text data processing. It boosts productivity with a single solution for data quality and data integration. SAP Data Services also enables you to move, improve, govern, and unlock big data. This book will lead you through the SAP Data Services environment to efficiently develop ETL processes. To begin with, you’ll learn to install, configure, and prepare the ETL development environment. You will get familiarized with the concepts of developing ETL processes with SAP Data Services. Starting from smallest unit of work- the data flow, the chapters will lead you to the highest organizational unit—the Data Services job, revealing the advanced techniques of ETL design. You will learn to import XML files by creating and implementing real-time jobs. It will then guide you through the ETL development patterns that enable the most effective performance when extracting, transforming, and loading data. You will also find out how to create validation functions and transforms. Finally, the book will show you the benefits of data quality management with the help of another SAP solution—Information Steward.
Table of Contents (19 chapters)
SAP Data Services 4.x Cookbook
About the Author
About the Reviewers

Exploring the Auto correct load option

The Auto correct load option is a convenient means Data Services provides for preventing the insertion of duplicates into your target table. This is the method of inserting data into a target table object inside the dataflow. It can easily be configured by setting the target table option to Yes, with no more configuration required. This recipe describes details regarding the usage of this load method.

Getting ready

For this recipe, we will create a new table in the STAGE database and populate it with a list of currencies from the DimCurrency dimension table in the AdventureWorks_DWH data warehouse.

Execute the following statements in SQL Server Management Studio:

SELECT CurrencyAlternateKey, CurrencyName
INTO STAGE.dbo.NewCurrency
FROM AdventureWorks_DWH.dbo.DimCurrency;

ADD PRIMARY KEY (CurrencyAlternateKey);

We will use the Auto correct load option to make sure that our dataflow does not insert rows already existing...