Sunday, 28 October 2012

What are the various features of Enterprise Data Warehouse?

The various features of an EDW are:
  • An EDW may or may not interact with Data Mart. The most important aspect of any Data Warehouse is the consistency of information.
  • An EDW may have same level of granularity as a Data Mart. This means that the data from the Data Mart will be dumped into an EDW.
  • An EDW may have more detailed level of data than a Data Mart. This means that the data requirement is at a more granular level that may not be catered by the Data Mart. 

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