What is the biggest difference between MES and MIS systems?

MIS:

Management Information System (Management?Information?System, MIS for short) is a human-led, computer hardware, software, network communications equipment and other office equipment, information collection, transmission, processing, storage, updating and maintenance, in order to compete for corporate strategy, improve efficiency and effectiveness for the purpose of integrated human-computer system to support high-level decision-making, middle-level control, grassroots operations. The purpose is to improve the efficiency and effectiveness of the enterprise's strategic competitiveness, to support the enterprise's high-level decision-making, middle-level control, grass-roots operations of the integrated human-computer system.

MES:

Manufacturing Execution System? (manufacturing?execution?system, referred to as MES) is the United States AMR company in the early 1990s, aimed at strengthening the implementation of the MRP plan function, the MRP plan with the shop floor operation site control, through the implementation of the system linked. The field control here includes PLC programmers, data collectors, bar codes, various measuring and testing instruments, robots, etc. The MES system sets up the necessary interfaces and establishes a cooperative relationship with vendors who provide production field control facilities!

MIS? is a collective term,?MES is a class of MIS,?MIS contains MES,? There is no comparison.