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Business Intelligence علمی

Data Warehouse Modeling Star Schema vs. Snowflake Schema

 The First Difference: Normalization As mentioned, normalization is a key difference between star and snowflake schemas. Regarding this, there are a couple of things to know: Snowflake schemas will use less space to store dimension tables. This is because as a rule any normalized database produces far fewer redundant records. Denormalized data models increase the […]