Star schema

A single fact table with N number of Dimension



Snowflake schema

Any dimensions with extended dimensions are know as snowflake schema

star schema is a logical structure that can be arranged with fact and dimension tables
in a star formation.it looks like a star with fact table at the core of the star and the dimension tables along the spikes of the star.the dimension model is therefore called a STAR SCHEMA.

SNOWFLAKING is a method of normalizing the dimension tables in a star schema.

star schema is a logical structure that can be arranged with fact and dimension tables
in a star formation.it looks like a star with fact table at the core of the star and the dimension tables along the spikes of the star.the dimension model is therefore called a STAR SCHEMA.

SNOWFLAKING is a method of normalizing the dimension tables in a star schema.

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