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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

Product type Paperback

Published in Aug 2017

Publisher

ISBN-13 9781788471220

Length 426 pages

Edition 2nd Edition

Tools

Informatica PowerCenter

Concepts

Data Processing

Author (1):

Rahul Malewar

View More author details

Table of Contents (13) Chapters

Preface

1. Downloading and Extracting Informatica PowerCenter Software

2. Understanding Admin Console FREE CHAPTER

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

Source Qualifier transformation

Source Qualifier transformation acts as a virtual source in Informatica. When you drag a relational table or flat file in Mapping Designer, Source Qualifier transformation comes along. Source Qualifier is the point where Informatica processing actually starts. The extraction process starts from the Source Qualifier.

Note

Note that it is always recommended that the columns of Source and Source Qualifier match. Do not change the columns or their data type in the Source Qualifier. You can notice the difference in the data type in the Source Definition and Source Qualifier, which is because Informatica interprets the data in that way only.

To discuss Source Qualifier, let's take an example of the Joiner transformation mapping we created earlier.

As you can notice, there are two Source Qualifier transformations present in mapping: one for flat file and the other for relational database. You can notice that we have connected only three columns from the Source Qualifier...

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Authors (1)

Rahul Malewar

Rahul Malewar

Rahul Malewar has been working on various Data Warehousing tools for 10 years, primarily on Informatica Power Center. He has worked on various versions of Informatica Power Center, from version 8.1 to the latest version, 9.x, and Informatica Cloud. He has worked in various MNC's in India such as UST Global, Cognizant Technologies, and Principal Financial services in Pune, India. He has worked on the implementation of some Data Warehouses involving Informatica for fortune 500 MNC's such as Wellpoint, Principal. He has experience in working on multiple real-time projects in a couple of MNC's; utilizing those skills, he has written the book. He has now been running his own training center named Learn Well Technocraft (www.dw-learnwell.com) since 2010; here, he provides training on more than 25 Data warehousing technologies via classroom, corporate, and online means. He has also written a blog on data warehousing concepts. As of today, he has provided training to more than 1,200 candidates ranging from freshers to professionals with 20 years' experience. He is also a Director of a software firm named Gut Lernen Technocraft Pvt. Ltd. where they work on data warehousing and mobile-related projects. He provides free assistance on Informatica installation-related topics and other technical issues; he can be contacted at info@dw-learnwell.com.

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