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20 April, 16:27

A relational database contains information in a series of two-dimensional tables. how is data contained in a data warehouse and data mart?

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  1. 20 April, 20:15
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    In Data Mart it holds only single subject area, it is built for a dimensional model using a star schema. It focus on integrating information from a given subject area or set of source systems. While Data Warehouse holds many subject areas and a very detailed information it works to integrate all data sources, does not necessarily use a dimensional model but feeds dimensional models.
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