SAP Master Data Governance is a general master data solution for handling master data in day-to-day operations and controls and harmonizes the master data process in the company. Master data is the beating heart of your company. Without it, you are up a creek.This book is a description of the use of SAP-MDG. It is intended to give project managers, IT managers, department managers and above all the respective users an overview of the application of MDG. MDG is a software tool that directly intervenes horizontally and vertically in business processes. The use of MDG requires a system and business integration in the company. The book gives an overview of the handling, integration and application in the business process. Examples of application are presented. The book is intended to serve as a compass. Due to the large number of different company structures and different handling of business processes, not all possible variants of business processes can be illustrated. The company that wants to introduce MDG must be aware that it is not just an SAP module that is being introduced, but rather that established structures are being changed. MDG stands and falls with the degree of integration or inclusion. The target audience of this document can be business analysts, techno-functional analysts, business process experts, master data experts, solution architects, technical developers, data scientists and customers.