文档介绍：The Overview of ERP Systems
Yurong YAO, Houcun HE
Computer Science and Engineering Department,
Shanghai Jiao Tong University , Shanghai, China, 200030
Email: yryao@ or he-******@.
Abstract: ERP system plays the major role in the Then in the 1970’s, MRP (Material Resource
software market. This article briefly discusses the Planning), a new method of regulating the production
development of ERP Systems, deeply analyzes the and stock, came up. Using BOM (Bill of Material), it
two great improvements in recent years, concerning could give out the time- requirement for
the technology of Data Warehouse and , then sub-assemblies, components and raw materials. It
points out the problems and predicts its future. could plan the procurement of raw materials and the
Key Words: ERP systems, Data Warehouse, production of finished products. But this system only
touched the material flow. In the 1980’s, the
emergence of MRP П(Manufacturing Resource
When we entering into the information era, the Planning) come to include the financial flow into this
business environment has dramatically changed. The system. But it still took emphasis on the production
petition has put forward tremendous and cost control. In the 1990’s, MRPП was further
commands on the manufacturers. They need to reduce extended to cover more areas like Engineering,
the total cost, maximize the ROI, sh