Technology to manage various

2) To realize the integration of ERP and OA and the integration of ERP and OA systems, the main work includes the determination of the integration scheme, the determination of the system integration function range, the creation or transformation of the workflow system, and the unification of the organization model. 3.7 data warehouse and data mining 1) the concept of data warehouse data warehouse is a subject oriented, integrated, relatively stable and time-varying data set, which is used to support management decisions.