coder-xiaomo/leetcode-problemset
1
0
Fork 0
mirror of https://gitee.com/coder-xiaomo/leetcode-problemset synced 2025-09-12 19:01:47 +08:00
Code Issues Projects Releases Wiki Activity GitHub Gitee

存量题库数据更新

Browse Source
This commit is contained in:
小墨
2023-12-09 18:42:21 +08:00
parent a788808cd7
commit c198538f10
10843 changed files with 288489 additions and 248355 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
leetcode-cn/problem (English)/2020年最后一次登录(English) [the-latest-login-in-2020].html
View File

@@ -7,20 +7,20 @@
| user_id | int |
| time_stamp | datetime |
+----------------+----------+
(user_id, time_stamp) is the primary key for this table.
(user_id, time_stamp) is the primary key (combination of columns with unique values) for this table.
Each row contains information about the login time for the user with ID user_id.
</pre>
<p>&nbsp;</p>
<p>Write an SQL query to report the <strong>latest</strong> login for all users in the year <code>2020</code>. Do <strong>not</strong> include the users who did not login in <code>2020</code>.</p>
<p>Write a solution to report the <strong>latest</strong> login for all users in the year <code>2020</code>. Do <strong>not</strong> include the users who did not login in <code>2020</code>.</p>
<p>Return the result table <strong>in any order</strong>.</p>
<p>The query result format is in the following example.</p>
<p>The result format is in the following example.</p>
<p>&nbsp;</p>
<p><strong>Example 1:</strong></p>
<p><strong class="example">Example 1:</strong></p>
<pre>
<strong>Input:</strong>