mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-01-10 18:48:13 +08:00
88 lines
2.5 KiB
HTML
88 lines
2.5 KiB
HTML
<p>表: <code>Employee</code></p>
|
||
|
||
<pre>
|
||
+--------------+---------+
|
||
| Column Name | Type |
|
||
+--------------+---------+
|
||
| id | int |
|
||
| name | varchar |
|
||
| salary | int |
|
||
| departmentId | int |
|
||
+--------------+---------+
|
||
id 是该表的主键列(具有唯一值的列)。
|
||
departmentId 是 Department 表中 ID 的外键（reference 列）。
|
||
该表的每一行都表示员工的ID、姓名和工资。它还包含了他们部门的ID。
|
||
</pre>
|
||
|
||
<p> </p>
|
||
|
||
<p>表: <code>Department</code></p>
|
||
|
||
<pre>
|
||
+-------------+---------+
|
||
| Column Name | Type |
|
||
+-------------+---------+
|
||
| id | int |
|
||
| name | varchar |
|
||
+-------------+---------+
|
||
id 是该表的主键列(具有唯一值的列)。
|
||
该表的每一行表示部门ID和部门名。
|
||
</pre>
|
||
|
||
<p> </p>
|
||
|
||
<p>公司的主管们感兴趣的是公司每个部门中谁赚的钱最多。一个部门的 <strong>高收入者</strong> 是指一个员工的工资在该部门的 <strong>不同</strong> 工资中 <strong>排名前三</strong> 。</p>
|
||
|
||
<p>编写解决方案，找出每个部门中 <strong>收入高的员工</strong> 。</p>
|
||
|
||
<p>以 <strong>任意顺序</strong> 返回结果表。</p>
|
||
|
||
<p>返回结果格式如下所示。</p>
|
||
|
||
<p> </p>
|
||
|
||
<p><strong>示例 1:</strong></p>
|
||
|
||
<pre>
|
||
<strong>输入:</strong>
|
||
Employee 表:
|
||
+----+-------+--------+--------------+
|
||
| id | name | salary | departmentId |
|
||
+----+-------+--------+--------------+
|
||
| 1 | Joe | 85000 | 1 |
|
||
| 2 | Henry | 80000 | 2 |
|
||
| 3 | Sam | 60000 | 2 |
|
||
| 4 | Max | 90000 | 1 |
|
||
| 5 | Janet | 69000 | 1 |
|
||
| 6 | Randy | 85000 | 1 |
|
||
| 7 | Will | 70000 | 1 |
|
||
+----+-------+--------+--------------+
|
||
Department 表:
|
||
+----+-------+
|
||
| id | name |
|
||
+----+-------+
|
||
| 1 | IT |
|
||
| 2 | Sales |
|
||
+----+-------+
|
||
<strong>输出:</strong>
|
||
+------------+----------+--------+
|
||
| Department | Employee | Salary |
|
||
+------------+----------+--------+
|
||
| IT | Max | 90000 |
|
||
| IT | Joe | 85000 |
|
||
| IT | Randy | 85000 |
|
||
| IT | Will | 70000 |
|
||
| Sales | Henry | 80000 |
|
||
| Sales | Sam | 60000 |
|
||
+------------+----------+--------+
|
||
<strong>解释:
|
||
</strong>在IT部门:
|
||
- Max的工资最高
|
||
- 兰迪和乔都赚取第二高的独特的薪水
|
||
- 威尔的薪水是第三高的
|
||
|
||
在销售部:
|
||
- 亨利的工资最高
|
||
- 山姆的薪水第二高
|
||
- 没有第三高的工资，因为只有两名员工</pre>
|