Unlocking the Secrets of Slowly Changing Dimension (SCD): A Comprehensive View of 8 Types

Deep Dive Guide for When and How to Use 8 Types of SCD

Chengzhi Zhao
Towards Data Science
12 min readJul 17, 2023

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Photo by Donald Tran on Unsplash

If you are designing a data warehouse, it is essential to understand the methodology of dimensional modeling. One of the most important concepts in this methodology is the Slowly Changing Dimension (SCD). Many online…

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