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Learning Informatica PowerCenter 10.x

You're reading from   Learning Informatica PowerCenter 10.x Enterprise data warehousing and intelligent data centers for efficient data management solutions

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Product type Paperback
Published in Aug 2017
Publisher
ISBN-13 9781788471220
Length 426 pages
Edition 2nd Edition
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Author (1):
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Rahul Malewar Rahul Malewar
Author Profile Icon Rahul Malewar
Rahul Malewar
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Table of Contents (13) Chapters Close

Preface 1. Downloading and Extracting Informatica PowerCenter Software FREE CHAPTER 2. Understanding Admin Console 3. Understanding Designer Screen and its Components 4. The Lifeline of Informatica - Transformations 5. Using the Designer Screen - Advanced Features 6. Implementing SCD Using Designer Screen Wizards 7. Using the Workflow Manager Screen 8. Learning Various Tasks in Workflow Manager screen 9. Advanced Features of Workflow Manager Screen 10. Working with Workflow Monitor - Monitoring the code 11. The Deployment Phase - Using Repository Manager 12. Optimization - Performance Tuning

Reuse me please - reusable transformation


As you are aware, sources and targets are reusable components, that is, you work on sources in Source Analyzer and targets in Target Designer respectively. Also, you must be aware that you cannot edit sources and targets in Mapping Designer; they can only be edited in Source Analyzer and Target Designer respectively.

Sources and targets are called reusable components because you can use the same source and target in multiple mappings. We can reuse the source or target across multiple mappings only if the metadata requirements of both mappings is exactly the same. Metadata, in this case, means the number of columns, their data type, their data size, indexes, constraints, and so on. Even if there are small changes, you cannot reuse the components.

On the same lines, if we have the same logic to implement across multiple mappings, we can use the reusable transformations, which allow us to reuse the same transformation across mappings. You can only reuse...

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