In Power Query (M) in both Power BI and Dataflows there is no checksum or hash function. This means that you have to concatenate and compare columns as a large string which is slow and inefficient. T...
Something like the link below would be great. Not too hard to implement, but would be nice if it came out the box
https://community.powerbi.com/t5/Desktop/Privacy-Hashing-of-keys/m-p/110574
