In SAP, the material is identified by a unique material number. You can define external or internal number ranges for materials as per requirements. Internal material number ranges allows only numeric and number is automatically assigned to a material while creation of material master.Materials management is a core supply chain function and includes supply chain planning and supply chain execution capabilities. Specifically, materials management is the capability firms use to plan total material requirements.
There are nine types of ABAP/4 programs in SAP: 1 Executable Programs (ABAP Reports) I INCLUDE Program M Module Pool/Dialogue programs. A 'Logical Database' is a special data-retrieval program delivered by SAP, with its own dynamic Selection Screens.