Data mining in marketing is operation of analyzing data from different perspectives in order to summarize and analyze to discover useful information. So, when firms discover the patterns or the relationships of data, they will able to use it to increase profits or reduce costs, or both (Palace 1996). Nowadays, firms want to increase customers, and data mining is a good way to help firms to get more customers. The traditional process of marketing through advertising media costs firms a lot of money and the costs of advertising will add to the product