The Core is an important part of every Data Warehouse because it is used for the integration of data from different source systems. But is a Core really required in every DWH?
Does every Data Warehouse need a Core?
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The Core is an important part of every Data Warehouse because it is used for the integration of data from different source systems. But is a Core really required in every DWH?
In our book Data Warehousing mit Oracle – Business Intelligence in der Praxis we describe a Data Warehouse architecture with four layers. Here is a short overview of these layers.