To help clarify the dataset planning process, a diagram such as the following can be created that identifies the different layers of the data warehouse and Power BI dataset where transformation and business logic can be implemented:
In some projects, minimal transformation logic is needed and can be easily included in the Power BI dataset or the SQL views accessed by the dataset. For example, if only a few additional columns are needed for a dimension table and there's straightforward guidance on how these columns should be computed, the IT organization may choose to implement these transformations ...