The Data Warehouse Toolkit: The Definitive Guide to Dimensional Modeling is a comprehensive guide on dimensional modeling. It is a book that has been co-authored by Ralph Kimball and Margy Ross. in 1996, Ralph introduced the dimensional modelling techniques to the industry in his first edition of the Data Warehouse Toolkit. The book is a renowned source for dimension modelling techniques, best practices, data warehouse and business intelligence and patterns.The book is in its third edition and delivers a detailed library of dimensional modelling techniques, the updated best practices and new insights on the subject. The style used is appropriate for both beginners and experienced professionals. The tools and techniques used in the book are complemented with case studies from real world and are based on the actual DW/BI experiences of the authors. There is a chapter in the book that contains the official list of dimensional modelling techniques for quick reference, with pointers from the techniques used in the case studies.The book covers practical design techniques for both basic and advanced learners, dimension and fact tables and 14 case studies which include electronic commerce, retail sales, procurement, customer relationship management, inventory, accounting, order management, financial services, human resources, insurance, healthcare, telecommunications, education and transportation.The Data Warehouse Toolkit: The Definitive Guide to Dimensional Modeling is available in paperback. It was published by John Wiley and Sons in the year 2013. If you want to understand all the why's of Data Warehousing and master the art of DW so that the costly architectural and process errors during the life cycle of the Data Warehousing can be minimised, then this book can come in handy.