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Is it better to use DAX calculated columns or Power Query computed columns?
– Both DAX and power query are used to create custom columns in Power BI. Why both exist? When you should choose each of them? – Which one is best for querying semi-structured data? – Which one has better query performance? – How does it work during the delta update? (incremental refresh)
Technical Level: 200
Presented By: Dinesh Kumar Prabakaran