Big Data Technology & Architecture
Dec 21, 2020 · Big Data
Understanding Slowly Changing Dimensions (SCD) in Data Warehousing
The article explains the concept of Slowly Changing Dimensions (SCD) in data warehouses, illustrates why tracking dimension changes is essential for accurate historical analysis, and details Kimball's five primary SCD types (0‑4) with their implementation strategies and trade‑offs.
Data WarehouseETLSCD Types
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