题解 | #纠错3#
纠错3
http://www.nowcoder.com/practice/3870c9bca7a4406f899af3e903b8bf51
SELECT order_num, COUNT(*) items FROM OrderItems GROUP BY order_num HAVING items >= 3 ORDER BY items, order_num;
纠错3
http://www.nowcoder.com/practice/3870c9bca7a4406f899af3e903b8bf51
SELECT order_num, COUNT(*) items FROM OrderItems GROUP BY order_num HAVING items >= 3 ORDER BY items, order_num;
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