Problem
Write a SQL query to find the repeat purchase rate of customers who bought a specific skincare product within 30 days of their initial purchase.
Practicing as: Marketing Analytics Specialist interview at SephoraHi, I'll play your Sephora interviewer for the Marketing Analytics Specialist 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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