SUM窗口函数计算每日累计利润
计算每日累计利润
https://www.nowcoder.com/practice/c9b7a2f73eb54a3da4a81f15fd8a3665
SELECT profit_id, profit_date, profit, SUM(profit) OVER(ORDER BY profit_date) AS cumulative_profit FROM daily_profits ORDER BY profit_id
计算每日累计利润
https://www.nowcoder.com/practice/c9b7a2f73eb54a3da4a81f15fd8a3665
SELECT profit_id, profit_date, profit, SUM(profit) OVER(ORDER BY profit_date) AS cumulative_profit FROM daily_profits ORDER BY profit_id
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