Guides ยท Technology
Data Warehouse Modeling Basics
Model analytics data well
Modeling a warehouse means choosing a clear grain, using dimensional models with fact and dimension tables, handling slowly changing dimensions, and enforcing surrogate keys and data quality checks.
- data warehouse
- dimensional modeling
- facts
- dimensions
- scd
Set Grain
Define the event/row meaning; keep it consistent.
Build Facts/Dimensions
Use surrogate keys; separate measures from descriptors.
Handle Change
Choose SCD types; validate keys and referential integrity.
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