The purpose of this literature review chapter is to discuss the integrated techniques of knowledge discovery, identify gaps, and draw research objectives of this research. The chapter firstly discusses the pattern extraction techniques from large datasets, for example, a data warehouse, followed by pattern prediction techniques. A review of pattern extraction and prediction is presented on the basis of knowledge independency, multi-level mining ability, advanced evaluation of results, and visualization ability. At the end, a summary of issues in the current research are presented followed by the research objectives of this research.