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Oracle Data Integrator 11g Cookbook

You're reading from   Oracle Data Integrator 11g Cookbook This book is all you need to take your understanding of Oracle Data Integrator to the next level. From initial deployment right through to esoteric techniques, the task-based approach will enhance your expertise effortlessly

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Product type Paperback
Published in May 2013
Publisher Packt
ISBN-13 9781849681742
Length 352 pages
Edition 1st Edition
Languages
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Toc

Table of Contents (19) Chapters Close

Oracle Data Integrator 11g Cookbook
Credits
Foreword
About the Authors
About the Reviewers
www.PacktPub.com
Preface
1. Installation, Deployment, and Configuration 2. Defining the Oracle Data Integrator Security FREE CHAPTER 3. Advanced Topology 4. Using Variables 5. Knowledge Module Internals 6. Inside Knowledge Modules – SCD and CDC 7. Advanced Coding Techniques 8. Package Loops and File Processing 9. XML and Web Services 10. Advanced Coding Techniques Using the ODI SDK 11. More on ODI Index

Modifying a Slowly Changing Dimension KM to allow undefined behaviors


When working with a slowly changing dimension, you may sometimes encounter a dimension table that has dozens (or perhaps hundreds) of attributes, making the task of setting the SCD behavior for each column very tiresome. There may also be occasions when business requirements dictate that all activity on a specific dimension table be captured historically, that is, all columns are considered to be the "trigger" fields.

In order to address these two situations, a few simple modifications can be made to the SCD IKM to allow the developer to avoid having to set the SCD behavior for every column. By making these simple modifications, the developer will only need to set the behaviors for the Surrogate Key, the Natural Key, the Active Flag, and The Starting and Ending date columns; all other columns will be implicitly managed as trigger fields by automatically setting the Add Row on Change condition.

Although it's certainly possible...

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