DATA MART
\dˈe͡ɪtə mˈɑːt], \dˈeɪtə mˈɑːt], \d_ˈeɪ_t_ə m_ˈɑː_t]\
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A type of data warehouse designed primarily toaddress a specific function or department's needs, as opposedto a data warehouse which is traditionally meant to addressthe needs of the organisation from an enterprise perspective.In addition, a data mart often uses aggregation orsummarisation of the data to enhance query performance.However, it is important to maintain the ability to access theunderlying base data to enable drill-down analysis asnecessary.
By Denis Howe