Abstract: In this Paper we have discussed about data mining technologies. As we aware that there are large organization, each organization generate large amount of data. The data warehouse is helpful in making the effective decisions. The huge amount of data is available in the form of terabyte. To manage and make decision of such type of huge amount of data we need a technique called data mining.
Keywords: Data mining Task, Data mining Life cycle, Types of Data Mining System, Application of Data Mining System.