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27ec678 | 1 2 3 4 | -- Median hours to first reply
-- Median of first reply time less creation time, in hours, over tickets created in the month and replied to.
SELECT strftime(created_at, '%Y-%m') AS month, median(epoch(first_reply_at - created_at) / 3600.0) AS value FROM support.ticket WHERE first_reply_at IS NOT NULL AND created_at >= TIMESTAMP '2023-10-01' AND created_at < TIMESTAMP '2026-10-01' GROUP BY 1 ORDER BY 1
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