Problem
How would you use SQL window functions to calculate a rolling 7-day metric by user?
Practicing as: Data Scientist interview at EightfoldHi, I'll play your Eightfold interviewer for the Data Scientist role. Candidates describe these interviews as often stressful and moderately difficult, so expect me to be direct and to the point. Take your time with the question above and answer like we're in the room.
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