1.

What is dimensional modelling?

Answer»

Dimensional Modeling is a technique of data structuring performed for optimizing the data storage and FASTER data retrieval in the data warehouse. It consists of 2 types of TABLES - FACT tables and dimension tables. The fact tables are used for storing different transactional data along with the foreign keys from the dimension tables qualifying the data.

The purpose of Dimensional modelling is to achieve faster data retrieval and not the HIGHEST degree of normalization.



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