Labels:text | screenshot | font | number OCR: Product dimension Time dimension Time key Product_key Product key Ship to dimension description Shipto_ key brand Shipmade key Ship made dimension category Shipfrom_key flavor Ship from dimension Invoice num pkg_type Qty_shipped SKUM Lineitem _value etc ... Figure 1. A typical manufacturing shipments schema with five dimensions, showing the Product dimension expanded. In this article | show how to track a meaningful change of the package type (pkg_type) attribute over time when the OLTP system refuses to change the master product key (SKU #).