Value Chain Introduction
Most organizations have an underlying value chain of key business processes. The value chain identifies the natural, logical flow of an organization’s primary activities. For example, a retailer issues purchase orders to product manufacturers. The products are delivered to the retailer’s warehouse, where they are held in inventory. A delivery is then made to an individual store, where again the products sit in inventory until a consumer makes a purchase. Figure 4-1 illustrates this subset of a retailer’s value chain. Obviously, products sourced from manufacturers that deliver directly to the retail store would bypass the warehousing processes.
Operational source systems typically produce transactions or snapshots at each step of the value chain. The primary objective of most analytic DW/BI systems is to monitor the performance results of these key processes. Because each process produces...