Jun 28, 2023
The Benefits and Challenges of Slowly Changing Dimensions
Slowly changing dimensions (SCDs) are a type of data tracking which allows for a more granular understanding of how data evolves over time....
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Jun 28, 2023
The Benefits and Challenges of Slowly Changing Dimensions
Slowly changing dimensions (SCDs) are a type of data tracking which allows for a more granular understanding of how data evolves over time. Originally, SCDs were introduced by Ralph Kimball for dimensions, but nowadays, SCDs are often used for the historization of raw data as well. This is why the layer with historicized data is called a "Persisted staging layer." In this article, we discuss some of the advantages and drawbacks of implementing these types of dimensions in your data tracking...
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