Problem
How do you design a SQL query using window functions to calculate a rolling metric or rank within each group?
Practicing as: Data Scientist interview at Susquehanna International GroupHi, I'll play your Susquehanna International Group interviewer for the Data Scientist role. Candidates describe these interviews as mostly positive and moderately difficult, so expect me to be friendly and conversational. Take your time with the question above and answer like we're in the room.
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