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RE:cord
[SQL] Daily Active Users 본문
SELECT account_id, AVG(average_daily_count)
FROM (SELECT account_id, count(*) average_daily_count
FROM sf_events
WHERE date BETWEEN '2021-01-01' AND '2021-01-31'
--or.. WHERE date LIKE '2021-01%'
GROUP BY account_id) counting
GROUP BY account_id
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