This book on data mining and warehousing is designed in such a way that it will be useful for students, researchers, industrialists and novices. It not only covers the basic concepts of data mining and warehousing, but also includes many case studies from experts in the field. The main feature of the book is the detailed explanations on the practical side with software tools such as oracle BI, Weka and R. All the latest research trends in data mining such as ensemble learning, web mining, bio informatics, data warehousing with oracle BI, spatial data mining, big data, cloud computing and CRM are also discussed in detail.