According to the explanation of SAP, MM module is MM (Material Management) module, which is the most commonly used module in SAP products. It involves the whole process of material management and is closely related to modules such as finance, production, sales and cost.
Organizational structure of MM module
Group: the highest organizational structure in SAP, and all data runs at the group level.
Company: an independent accounting legal entity in SAP. Financial documents, such as income statement and balance sheet, can be generated at the company level.
Factory/location: an organizational unit in a company, which can be a branch, workshop, sales service center or warehouse service center. Some material data are factory-level, such as MRP type and strategy group.
Storage Location: the storage location or storage location of the material, which is the subordinate organization of the factory/location.
Purchasing organization: the most important step in purchasing accounting. When negotiating with suppliers, the purchasing organization is the accounting object. The same supplier and different purchasing organizations can have different prices, payment methods and delivery time. A purchasing organization can serve multiple companies/factories. A company/factory can also correspond to multiple purchasing organizations.
Purchasing group: responsible for daily purchasing activities and used for purchasing information statistics.
In the MM module of expanding data, the most important thing is the quality of master data. The granularity of master data and the correctness of data itself will directly affect the accuracy of related modules. The correctness of master data setting depends on the design of master data rules, and the design of master data rules depends on the control and foresight of the group or company on various businesses.
POD function of SD module is rarely enabled. Therefore, the author pays little attention to this function, and basically pays little attention to some different places of inventory management caused by the activation of this function. Project A gives the author an opportunity to pay attention to and study the so-called T inventory (in-transit inventory).
Baidu encyclopedia -SAP MM