This chapter will take us back to the data preparation stage. Sometimes, your data is in multiple places, and it will make your life easier if the data was present in one sheet. We will use Excel's data model feature to combine data from multiple sources into one. We will also discuss the database concepts but nothing too advanced. In terms of Excel, this new data model replaces the use of the well-known VLOOKUP function in some instances. We will merge the three datasets from the Fast Forms website that we learned about in Chapter 5, Analyzing Data Using Descriptive Statistics and Charts. Fasten your seat belts as the next few sections will come and go in a flash.