Examples include sales and profit per customer and per region, relocation summary and analysis, inventory control, capital investment analysis, and even a report on students who were here in the autumn but did not to return in the spring.
MIS differs from TPS in that MIS deals with summarized and compressed data from the TPS.
While MIS have an internal orientation, DSS will often use data from external sources, as well as data from TPS and MIS. DSS supports “what-if” analyses rather than a long-term structured analysis of MIS. MIS are generally not flexible and provide little analytical capabilities. In contrast, DSS are designed for analytical purposes and are flexible