Saturday, 16 January 2016

MSBI -- SSAS -- Part-5

MSBI -- SSAS -- Part-5

 Star-Schema and Snow Flake Schema

    Schema:       

             Logical representation of database Object is called schema.

1. Star Schema:
In a Dimensional Modelling Schema, if all the dimension tables are directly connected to the centralized Fact Table and no Dimension Tables are further normalized such a type of schema is known star schema.


2.     Snowflake Schema:
In a Dimensional Modelling Schema, any one or more Dimension Tables are further normalized and normalized child dimension will not directly connected to Fact Table and it is connected to its Parent Dimension Table, Such a type of Schema is known as Snow flake Schema.







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