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CyC2018 2018-06-09 21:43:10 +08:00
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10
notes/Leetcode-Database 题解.md
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@ -554,7 +554,7 @@ VALUES
```sql ```sql
SELECT SELECT
C.NAME AS Customers C.Name AS Customers
FROM FROM
Customers C Customers C
LEFT JOIN Orders O ON C.Id = O.CustomerId LEFT JOIN Orders O ON C.Id = O.CustomerId
@ -566,11 +566,11 @@ WHERE
```sql ```sql
SELECT SELECT
C.NAME AS Customers Name AS Customers
FROM FROM
Customers C Customers
WHERE WHERE
C.Id NOT IN ( SELECT CustomerId FROM Orders ); Id NOT IN ( SELECT CustomerId FROM Orders );
``` ```
# 184. Department Highest Salary # 184. Department Highest Salary
@ -637,7 +637,7 @@ VALUES
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。 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。
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。 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。
```sql ```sql
SELECT SELECT