题目链接：点击打开链接
题目大意：略。
解题思路：略。
AC 代码
SELECT customer_id, COUNT(*) count_no_trans
FROM Visits
WHERE visit_id NOT IN (SELECT DISTINCT visit_id FROM Transactions)
GROUP BY customer_idLeetCode（数据库）- 进店却未进行过交易的顾客
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2022-05-18
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LeetCode（数据库）- 进店却未进行过交易的顾客
阅读 129
2022-05-18
题目链接：点击打开链接
题目大意：略。
解题思路：略。
AC 代码
SELECT customer_id, COUNT(*) count_no_trans
FROM Visits
WHERE visit_id NOT IN (SELECT DISTINCT visit_id FROM Transactions)
GROUP BY customer_id相关推荐
精彩评论（0）