Problem
Write a SQL query to calculate the daily failure rate by payment method and merchant segment for the last 90 days on Phonepe.
Practicing as: Operations Analyst interview at PhonepeHi, I'll play your Phonepe interviewer for the Operations Analyst 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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