What is Data Mart

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Data Mart is a subset of the data resource, usually oriented to a specific purpose or major data subject, that may be distributed to support business needs. The concept of a data mart can apply to any data whether they are operational data, evaluational data, spatial data, or metadata. A data mart is a repository of a business organization's data implemented

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Data Mart is nothing but a area which is specific. The terminology is used in Data Warehousing. There are two types of Data Marts available- independent and dependent.