Rational Databases

13 Pages 3356 Words

tion System) because it uses good graphics, data storage method and also easy on line access to current information about a matter. Because of its wide scope and high development cost Enterprise-Wide DSS is used. Desk-top DSS Why people use Desk-top DSS is because sometimes Desk-top DSS is especially useful means that sometimes people can use Excel or Lotus 123 for single analyses. But when actually Desk-top DSS can do what Excel or other type of software can do such as: „« Structuring of complex problems „« Developing priorities and ranking alternatives „« Measuring consistency of judgments „« Allocating resources and conducting a cost/benefit analysis For more to know what is the useful of DSS visit this URL http://www.expertchoice.com And for current situation actually Database of DSS is implemented in Microsoft Access. Accounting and financial model is implemented in Microsoft Excel. What are the disadvantages of DSS Software? ¡§What you want is not always what you need, what you need is not always what you will get.¡¨ The above phrase explains the major drawback of DSS Software. The decision suggested best by the DSS Software need not be the best decision as there are other unexpected events that can occur. For example, if we make a decision of renting production machine, other than buying it, then there might be an event that the machine breaks down after three hours of production as the machine is old. What are the current DSS Software applications? DSS is a software that is software runs on a PC not On line Transaction Processing System (OLTP) and helps someone to make decision for current type of DSS are DSS itself, (Executive Information System) EIS, ESS, Geographic Information System (GIS),and OLAP These are few examples of the uses of DSS: ƒæ A manager wants to know total sales for each of the last five years ƒæ What items have been out of stock more than 5 days in a month? ƒæ Which customers had the mo...