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What is Types of Slowly Changing Dimensions about?

Slowly changing dimensions (SCDs) refer to dimension tables that retain a history of changes to attributes like customer information. There are three main types of SCDs - Type 1 overwrites data, Type 2 maintains full change history, and Type 3 tracks limited history. SAS Data Integration Studio provides transformations to load and manage SCDs in dimensions tables that are part of star schemas used for analytics.

Author

flavio_brazil

Language

EN