In many areas® SAP follows a concept of document category and document type. The class of record is a rough classification, the type of document is the finer differentiation of the class of record. When analyzing an order scenario, the following four categories of documents may be of interest to you: To create context, we start with normal unique commands: as far as the database is concerned, these are saved in SAP® in the tables EKKO (command head) and EKPO (order position). . . .