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How to load and generate a custom hierarchy in SAP Business Warehouse (SAP BW)
IntroductionOften reports need to show data in a tree-like structure. This is enabled via characteristic hierarchies in SAP BW. High level data is displayed using the top nodes of the hierarchy. More detailed data can be visualized by drilling down to the lower nodes of the hierarchy.Consider an example hierarchy Customer Contacts Hierarchy' that is used to qualify the telephone calls a telecommunications call center receives.