Problem
What SQL window functions would you use to analyze user behavior over time, and how would you apply them?
Practicing as: Data Scientist interview at Didi ChuxingHi, I'll play your Didi Chuxing interviewer for the Data Scientist role. Candidates describe these interviews as mixed and moderately difficult, so expect me to be professional and fair. Take your time with the question above and answer like we're in the room.
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