It should not be forgotten, that the elements that constitute information system as well Walter Schupnik, indicated by us are based on a database of Mercadeo.La Base of data marketing.-Database Software. Database marketing software data should not be an adaptation of another type of software. The basic characteristics of a marketing database software are as follows: must be a relational software should allow storage of historical data should allow the storage of follow-up should have interfaces that are friendly to users must contain rigorous elements of security should allow interconnection with other databases should allow to generate communications (letters(, faxes and e-mail) should allow dialing phone numbers directly from the screens must have interfaces with the central telephone for the conduct of predictive dialing should allow interconnectivity with the PBX to run the functions of CTI (Computer Telephone Integration) must be able to contain modules of telemarketing scripts with aid online. It must contain tables with miscellaneous for aid to operators and their respective search engines should allow the generation of multiple types of reports and statistics should allow the storage of large quantities of records without it impair their performance must have great flexibility to make changes permanently, a marketing information system is a useful working tool for a marketing executive of a major company in a highly competitive market. Why?, for several reasons, as Walter Schupnik not remember them: because it is frequent that increasingly are shorter product life cycles, which makes you may need to take fundamental marketing decisions in periods each time more brief. Consumers increase their demands in relation to the quality products and the information they receive about the same levels, which obliges to be constantly aware of itself our product or service complies or not with the expectations of the market. The volume of information available is growing so explosively that it is necessary to handle it and process it in an automated manner to obtain the appropriate benefits of the same.