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@ -554,7 +554,7 @@ VALUES
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```sql
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SELECT
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C.NAME AS Customers
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C.Name AS Customers
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FROM
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Customers C
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LEFT JOIN Orders O ON C.Id = O.CustomerId
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@ -566,11 +566,11 @@ WHERE
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```sql
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SELECT
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C.NAME AS Customers
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Name AS Customers
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FROM
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Customers C
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Customers
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WHERE
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C.Id NOT IN ( SELECT CustomerId FROM Orders );
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Id NOT IN ( SELECT CustomerId FROM Orders );
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```
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# 184. Department Highest Salary
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@ -637,7 +637,7 @@ VALUES
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创建一个临时表,包含了部门员工的最大薪资。可以对部门进行分组,然后使用 MAX() 汇总函数取得最大薪资。
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之后使用连接将找到一个部门中薪资等于临时表中最大薪资的员工。
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之后使用连接找到一个部门中薪资等于临时表中最大薪资的员工。
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```sql
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SELECT
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