Tagged: SCD2

Handling logical deletes in the Data Warehouse 1

Handling logical deletes in the Data Warehouse

While working on a recent project I had a brief discussion on the implementation of logical deletes. This prompted me to define for once and for all how ETL should handle these occurences. This is, of course, assuming that some CDC mechanism provides the required details or you have the capacity to compare full sets of data to derive the logical deletes yourself. For this purpose I drafted a Design Pattern which should explain this...