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Question:  Explain the situations where snowflake is better than star schema



January 01, 2008 01:32:55 #2
 jaggu_mandya   Member Since: January 2008    Total Comments: 9 

RE: Explain the situations where snowflake is better than star schema
 
In Star Schema
When we try to access many attributes or few attributes from a single dimension table the performance of the query falls. So we denormalize this dimension table into two or sub dimensions. Now the same star schema is transformed into snow Flake schema.
By doing so the performance improves
     

 

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