Friday, September 28, 2007

 

Meta Data in Data Warehouse

Meta Data is one of the most important aspect of data warehousing. It is the data about data stored in data warehouse and its users.

Meta Data provides decision-support-oriented pointer to warehouse data and thus provide logical link between warehouse data and decision support application.

Meta Data is the key to providing user and application with a road map to the information stored in the warehouse.

Meta Data can define all attributes, data sources and timing, and rules that govern data use and data transformation of all data elements.

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    The key objective of a data warehouse is thus to store data in a format suitable for analysis by the user using various techniques including OLAP and data mining.
    Data Warehousing Solutions.
     
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