分类：SQL实现从未下单订购的顾客

2022
01-07

SQL实现LeetCode(183.从未下单订购的顾客)

[LeetCode]183.CustomersWhoNeverOrder从未下单订购的顾客Supposethatawebsitecontainstwotables,theCustomerstableandtheOrderstable.WriteaSQLquerytofindallcustomerswhoneverorderanything.Table:Customers.+----+-------+|Id|Name |+----+-------+|1 |Joe  ||2 |Henry||3 |Sam  ||4 |Max  |+----+-------+Table:... 继续阅读 >