August 2017
Beginner to intermediate
426 pages
9h 36m
English
Content preview from Learning Informatica PowerCenter 10.x - Second Edition
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Implementing SCD Using Designer Screen Wizards
Slowly Changing Dimensions (SCD), as the name suggests, allows maintaining changes in the Dimension table in the data warehouse. Before you read the chapter, make sure you have a complete understanding of data warehousing concepts, especially SCD. Make sure you know about SCD1, SCD2, and SCD3 types. For your reference, we have described each SCD in detail in this chapter. For more details, refer to the book The Data Warehouse Toolkit by Ralph Kimball. Before we move ahead with the implementation of the SCD in Informatica PowerCenter, let's discuss the different types of SCDs.
Note that we are taking the general SCD in our discussion, that is, SCD1, SCD2, and SCD3. Apart from these, there will ...
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