data mining and its application in decisions

business related decisions become more perplexing as societies advance. environmental ambiguities which stem from new business models intensify the above mentioned complexity so far as many of the affecting variables and their interrelationships are non linear and complicated. in this circumstances data analysis and knowledge extraction is not practical via traditional methods. this research concisely defines data mining technology, its models and ways that are used in this field. then it considers the preceding researches which proposed the analytical ability of data mining in business decisions. finally, a case study on one of the bank's customer databases is presented.