this book explains how to develop flexible data models with an enterprise data warehouse (edw) and extend those models with new requirements. based on detailed, real-life examples, you’ll understand the structure of the data models and learn step-by-step development of an edw.1 the enterprise data warehouse (edw)discover the edw approach from scratch including its creation from the corporate information factory (cif), different layers, possible variations, and implementation in sap netweaver bw.2 development of an edw based on detailed examplesbecome familiar with the complete development of an edw based on step-by-step, easily transferable examples.3 extension by new requirementsunderstand how to classify new requirements and extend the edw model.4 business warehouse requirementsuncover the most frequent business requirements and their implementation, including the history of objects, the number of objects to be included, and the admission of future data.5 load controlmaster the difference between historically stable and historically correct data, and learn how you can implement the load control by means of process chains.