Problem
How would you use SQL window functions to calculate rolling 7-day retention and compare cohorts over time at Teradata?
Practicing as: Data Scientist interview at TeradataHi, I'll play your Teradata 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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