leetcode/solutions/183.Customers_Who_Never_Order at master · boot-strap-leo/leetcode · GitHub

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AC_exists.sql		AC_exists.sql
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AC_left_join.sql		AC_left_join.sql
readme.md		readme.md

readme.md

183. Customers Who Never Order (Easy)

链接：

题目：https://leetcode.com/problems/customers-who-never-order/
代码(github)：https://github.com/illuz/leetcode

题意：

从两个表中得到从没买过东西的家伙。