BW (SAP Business Warehouse)
Psuedo-deltas: An Approach Customized for WFM/iTime Data Extraction
This article illustrates a data flow technique for reliably and efficiently extracting data to BW from WFM/iTime 3.1, an SAP application. Challenges were faced due to data deletion in the source system, along with lack of reliable change markers in all relevant tables. A discussion of possible techniques is presented, along with an overview of the selected approach.