What is data mart

Illustrate the term data mart. What do you mean by it?

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Data mart refers to the database which consists of the subset of data present in the data warehouse. Data marts are generated to structure the data within the data warehouse as to issues like hardware platforms and access control strategies. We may divide the data warehouse into data marts after data warehouse has been generated. Data marts are typically implemented on the low-cost departmental servers which are UNIX (or) windows/NT based. 

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