题解 | 支付间隔平均值
支付间隔平均值
https://www.nowcoder.com/practice/847431ad931e45348eb1ab5657144c28
select CAST(round(avg(abs(timestampdiff(second,a.logtime, b.logtime))),0) as signed) AS gap from order_log as a left join select_log as b on a.order_id = b.order_id
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