coder-xiaomo/leetcode-problemset
1
0
Fork 0
mirror of https://gitee.com/coder-xiaomo/leetcode-problemset synced 2025-09-05 23:41:41 +08:00
Code Issues Projects Releases Wiki Activity GitHub Gitee

update

Browse Source
This commit is contained in:
小墨
2022-03-29 12:55:24 +08:00
parent 2b0511d272
commit b84ae535b7
3973 changed files with 51044 additions and 105065 deletions
Download Patch File Download Diff File Expand all files Collapse all files

74
leetcode/problem/employees-with-missing-information.html Normal file
View File

@@ -0,0 +1,74 @@
<p>Table: <code>Employees</code></p>
<pre>
+-------------+---------+
| Column Name | Type |
+-------------+---------+
| employee_id | int |
| name | varchar |
+-------------+---------+
employee_id is the primary key for this table.
Each row of this table indicates the name of the employee whose ID is employee_id.
</pre>
<p>&nbsp;</p>
<p>Table: <code>Salaries</code></p>
<pre>
+-------------+---------+
| Column Name | Type |
+-------------+---------+
| employee_id | int |
| salary | int |
+-------------+---------+
employee_id is the primary key for this table.
Each row of this table indicates the salary of the employee whose ID is employee_id.
</pre>
<p>&nbsp;</p>
<p>Write an SQL query to report the IDs of all the employees with <strong>missing information</strong>. The information of an employee is missing if:</p>
<ul>
<li>The employee&#39;s <strong>name</strong> is missing, or</li>
<li>The employee&#39;s <strong>salary</strong> is missing.</li>
</ul>
<p>Return the result table ordered by <code>employee_id</code> <strong>in ascending order</strong>.</p>
<p>The query result format is in the following example.</p>
<p>&nbsp;</p>
<p><strong>Example 1:</strong></p>
<pre>
<strong>Input:</strong>
Employees table:
+-------------+----------+
| employee_id | name |
+-------------+----------+
| 2 | Crew |
| 4 | Haven |
| 5 | Kristian |
+-------------+----------+
Salaries table:
+-------------+--------+
| employee_id | salary |
+-------------+--------+
| 5 | 76071 |
| 1 | 22517 |
| 4 | 63539 |
+-------------+--------+
<strong>Output:</strong>
+-------------+
| employee_id |
+-------------+
| 1 |
| 2 |
+-------------+
<strong>Explanation:</strong>
Employees 1, 2, 4, and 5 are working at this company.
The name of employee 1 is missing.
The salary of employee 2 is missing.
</pre>