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📜  如何选择所有未订购的客户 - 无论代码示例

📅  最后修改于: 2022-03-11 14:55:01.776000             🧑  作者: Mango

代码示例1
select cus.name as Customers
from Customers cus left join Orders ord
on cus.id = ord.customerId
where ord.customerId is null;