Importance

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Abstract

A client card mail system, comprising: means for storing client information including individual information of clients' code number, name, sex distinction, age, address and telephone number; means for storing information of the goods for sales company for the sales goods, departments, classes of the goods name, goods codes, prime unit prices, and sales unit prices; means for storing information of the goods purchased by the clients; and means for retrieving clients' information of the clients who actually purchased the goods setting the conditions of periods and goods classes from the information of the goods purchased; and means for outputting and printing the results retrieved. According to the present invention, the clients' taste and living custom can be grasped to enable propaganda activity without waste, and there is provided a client card mail system making use of a method for storage and retrieval of fractionalized data.

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First Claim