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Power BI - Interview Questions
What is the difference between Calculated Columns, Calculated Tables, and Measures?
Calculated Columns Calculated Tables Measures
Added to tables by applying DAX formula on the existing data Created using DAX formula to define values Use other DAX functions to create complex calculations
DAX formula defines values in new columns rather than querying data sources Created in both Report and Data views Used for highlighting running totals, comparing sales, sales forecasting, and other purposes
Useful when data sources do not contain data presented in the desired format Work well for intermediate calculations and the data that users want to be stored in the model Created in both Report and Data views
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