SCD Implementation with TSQL

By Federico Iori, 2012/11/13

SCD ETL is a typical problem in DataWarehouse.

Theory is at : http://en.wikipedia.org/wiki/Slowly_changing_dimension

The proposed example refers to SCD type 6 :

http://en.wikipedia.org/wiki/Slowly_changing_dimension#Pure_Type_6_implementation

Let's say we want an ETL that does not use SSIS.

The solution is quite simple , uses TSQL except.

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SCD Implementation with TSQL

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