Problem
Write a query to identify the top 3 merchants by transaction volume for each category in the last 30 days for Phonepe.
Practicing as: Data Analyst interview at PhonepeHi, I'll play your Phonepe interviewer for the Data 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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