题解 | #返回订单数量总和不小于100的所有订单的订单号#

返回订单数量总和不小于100的所有订单的订单号

https://www.nowcoder.com/practice/ff77e82b59544a15987324e19488aafd

SELECT order_num FROM OrderItems
GROUP BY order_num
HAVING SUM(quantity)>=100
ORDER BY order_num ASC;
//GROU BY HAVING 过滤

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