Many software projects are accumulated by a great deal of data, so we really need information about the effective maintenance and reteving of data from the database. The newest, hottest technology to address these concerns is data mining and data warehousing.

Data Mining is the process of automated extraction of predictive information from large databases. It predicts future trends and finds behavior that the experts may miss as it lies beyond their expectations. Data Mining is part of a larger process called knowledge discovery, specifically, the step in which advanced statistical analysis and modeling techniques are applied to the data to find useful patterns and relationships