Data Modelling in Power BI is the foundation of data analysis and creating reports . This course lets you explore a toolbox of data cleaning, shaping, and loading techniques which you can apply to your data . Building a great data model is about simplifying the disarray. Providing set rules for what makes a good data model difficult because all data is different, and the usage of that data varies. A smaller data model will perform faster and will be simpler to use, but defining what a smaller model entails is equally as problematic because it’s a heuristic and subjective concept. A small data model can be difficult to define because it is a subjective concept .API quota exceeded. You can make 500 requests per day.