Data Marts is a subset of Data Warehouse.
|Sr.||Independent Data Marts||Dependent Data Marts|
|1||Independent Data Marts are Data Marts which access data directly from operation system.||Dependent Data Marts are Data Marts which access data from the data warehouse.|
|2||Independent Data marts structure is complex for ‘n’ number.||Dependent Data Marts structure is simple.|
|3||Independent Data Marts follows Top-Down approach.||Dependent Data Marts follows Bottom-Up approach.|
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