Problem
Write a SQL query to compare current-week and previous-week performance by segment using CTEs and window functions.
Practicing as: Data Scientist interview at AirbusHi, I'll play your Airbus 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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