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Business Intelligence Cookbook: A Project Lifecycle Approach Using Oracle Technology

You're reading from   Business Intelligence Cookbook: A Project Lifecycle Approach Using Oracle Technology Take your data warehousing and business intelligence to the next level with this practical guide to Oracle Database 11g. Packed with illustrations, tips, and examples, it has over 80 advanced recipes to fine-tune your skills and knowledge.

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Product type Paperback
Published in Jul 2012
Publisher Packt
ISBN-13 9781849685481
Length 368 pages
Edition 1st Edition
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Author (1):
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John Heaton John Heaton
Author Profile Icon John Heaton
John Heaton
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Table of Contents (21) Chapters Close

Business Intelligence Cookbook: A Project Lifecycle Approach Using Oracle Technology
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
1. Preface
1. Defining a Program FREE CHAPTER 2. Establishing the Project 3. Controlling the Project 4. Wrapping Up the Project 5. The Blueprint 6. Analyzing the Requirements 7. Architecture and Design 8. Analyzing the Sources 9. Analyzing the Data 10. Constructing the Data Model 11. Defining the ETL/ELT 12. Enhancing the Data 13. Optimizing the Access 14. Security

Adding Standard columns to your data model


Each data model requires additional columns other than the columns requested by the solution.

Getting ready

Identify your dimensions and facts within your data model.

How to do it...

Tracking changes in a BI data model is a little different to a standard database application. In the BI data model, we track the process which created or updated the database and not the actual user:

  1. 1. For facts and dimensions, we will want to track when changes were made and by whom. For this, we need to add the standard audit columns. Double-click on the entity, select Attributes, and add the following columns:

    • Create By — Domain — Varchar 32 Characters — specifies which process or mapping created the record.

    • Create Date — Domain — Date — specifies the date the record was created.

    • Update By — Varchar 32 Characters — specifies which process or mapping updated the record.

    • Update Date — Date — specifies the date the record was updated.

  2. 2. Additional attributes to track...

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