PowerPivot and the Slowly Changing Dimensions

Posted by AlbertoFerrari on SQL Blog See other posts from SQL Blog or by AlbertoFerrari
Published on Wed, 09 Feb 2011 07:00:00 GMT Indexed on 2011/02/09 15:31 UTC
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PowerPivot

Slowly changing dimensions are very common in the data warehouses and, basically, they store many versions of the same entity whenever a change happens in the columns for which history needs to be maintained. For example, the AdventureWorks data warehouse has a type 2 SCD in the DimProduct table. It can be easily checked for the product code “FR-M94S-38” which shows three different versions of itself, with changing product cost and list price. This is exactly what we can expect to find in any data...(read more)

PowerPivot and the Slowly Changing Dimensions

Posted by AlbertoFerrari on SQL Blog See other posts from SQL Blog or by AlbertoFerrari
Published on Wed, 09 Feb 2011 07:00:00 GMT Indexed on 2011/02/09 7:30 UTC
Read the original article Hit count: 566

Filed under:

PowerPivot

Slowly changing dimensions are very common in the data warehouses and, basically, they store many versions of the same entity whenever a change happens in the columns for which history needs to be maintained. For example, the AdventureWorks data warehouse has a type 2 SCD in the DimProduct table. It can be easily checked for the product code “FR-M94S-38” which shows three different versions of itself, with changing product cost and list price. This is exactly what we can expect to find in any data...(read more)

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