What are the difference between snow flake and star schema?



What are the difference between snow flake and star schema?..

Answer / Kalpana Bharti

The main difference between a Snowflake Schema and a Star Schema lies in their normalization level. A Star Schema is less normalized, with fact tables at the center connected to dimension tables through foreign keys. Each dimension table contains all possible values for its attributes. On the other hand, a Snowflake Schema is more normalized, where dimension tables are further sub-divided into smaller tables, reducing data redundancy.

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