查询每一组的第一行

;WITH cte AS
(
SELECT *,
ROW_NUMBER() OVER (PARTITION BY ProductCode ORDER BY Id DESC) AS rn
FROM ProductPriceInfo
)
SELECT *
FROM cte
WHERE rn = 1

有时候不是我们失去了目标,而是失去了方向。
原文地址:https://www.cnblogs.com/871735097-/p/4277057.html