| online transaction processing system (SCM-APO) |
The SCM system generally works in connection with an OLTP system. This system supplies the SCM system with the necessary data relevant for planning. The SCM system transfers the planning results back to the OLTP system. In the OLTP system, if necessary, planning is completed and the production and planning is started, confirmed, and so on.
The OLTP system can be an R/3 or ERP system or another system.