coder-xiaomo/leetcode-problemset
1
0
Fork 0
mirror of https://gitee.com/coder-xiaomo/leetcode-problemset synced 2025-09-08 00:41:42 +08:00
Code Issues Projects Releases Wiki Activity GitHub Gitee

批量更新数据

Browse Source
This commit is contained in:
小墨
2025-01-09 20:29:41 +08:00
parent 04ecea043d
commit 48cdd06c2b
5053 changed files with 156164 additions and 135322 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
leetcode-cn/originData/confirmation-rate.json
View File

@@ -12,12 +12,12 @@
"translatedContent": "<p>表: <code>Signups</code></p>\n\n<pre>\n+----------------+----------+\n| Column Name | Type |\n+----------------+----------+\n| user_id | int |\n| time_stamp | datetime |\n+----------------+----------+\nUser_id是该表的主键。\n每一行都包含ID为user_id的用户的注册时间信息。\n</pre>\n\n<p>&nbsp;</p>\n\n<p>表: <code>Confirmations</code></p>\n\n<pre>\n+----------------+----------+\n| Column Name | Type |\n+----------------+----------+\n| user_id | int |\n| time_stamp | datetime |\n| action | ENUM |\n+----------------+----------+\n(user_id, time_stamp)是该表的主键。\nuser_id是一个引用到注册表的外键。\naction是类型为('confirmed'， 'timeout')的ENUM\n该表的每一行都表示ID为user_id的用户在time_stamp请求了一条确认消息，该确认消息要么被确认('confirmed')，要么被过期('timeout')。\n</pre>\n\n<p>&nbsp;</p>\n\n<p>用户的 <strong>确认率</strong>&nbsp;是 <code>'confirmed'</code>&nbsp;消息的数量除以请求的确认消息的总数。没有请求任何确认消息的用户的确认率为&nbsp;<code>0</code> 。确认率四舍五入到 <strong>小数点后两位</strong> 。</p>\n\n<p>编写一个SQL查询来查找每个用户的 确认率 。<br />\n<br />\n以 任意顺序&nbsp;返回结果表。<br />\n<br />\n查询结果格式如下所示。<br />\n<br />\n<strong>示例1:</strong></p>\n\n<pre>\n<b>输入：</b>\nSignups 表:\n+---------+---------------------+\n| user_id | time_stamp |\n+---------+---------------------+\n| 3 | 2020-03-21 10:16:13 |\n| 7 | 2020-01-04 13:57:59 |\n| 2 | 2020-07-29 23:09:44 |\n| 6 | 2020-12-09 10:39:37 |\n+---------+---------------------+\nConfirmations 表:\n+---------+---------------------+-----------+\n| user_id | time_stamp | action |\n+---------+---------------------+-----------+\n| 3 | 2021-01-06 03:30:46 | timeout |\n| 3 | 2021-07-14 14:00:00 | timeout |\n| 7 | 2021-06-12 11:57:29 | confirmed |\n| 7 | 2021-06-13 12:58:28 | confirmed |\n| 7 | 2021-06-14 13:59:27 | confirmed |\n| 2 | 2021-01-22 00:00:00 | confirmed |\n| 2 | 2021-02-28 23:59:59 | timeout |\n+---------+---------------------+-----------+\n<strong>输出:</strong> \n+---------+-------------------+\n| user_id | confirmation_rate |\n+---------+-------------------+\n| 6 | 0.00 |\n| 3 | 0.00 |\n| 7 | 1.00 |\n| 2 | 0.50 |\n+---------+-------------------+\n<strong>解释:\n</strong>用户 6 没有请求任何确认消息。确认率为 0。\n用户 3 进行了 2 次请求，都超时了。确认率为 0。\n用户 7 提出了 3 个请求，所有请求都得到了确认。确认率为 1。\n用户 2 做了 2 个请求，其中一个被确认，另一个超时。确认率为 1 / 2 = 0.5。</pre>\n",
"isPaidOnly": false,
"difficulty": "Medium",
"likes": 58,
"likes": 105,
"dislikes": 0,
"isLiked": null,
"similarQuestions": "[]",
"contributors": [],
"langToValidPlayground": "{\"cpp\": false, \"java\": false, \"python\": false, \"python3\": false, \"mysql\": false, \"mssql\": false, \"oraclesql\": false, \"c\": false, \"csharp\": false, \"javascript\": false, \"typescript\": false, \"bash\": false, \"php\": false, \"swift\": false, \"kotlin\": false, \"dart\": false, \"golang\": false, \"ruby\": false, \"scala\": false, \"html\": false, \"pythonml\": false, \"rust\": false, \"racket\": false, \"erlang\": false, \"elixir\": false, \"pythondata\": false, \"react\": false, \"vanillajs\": false, \"postgresql\": false}",
"langToValidPlayground": "{\"cpp\": false, \"java\": false, \"python\": false, \"python3\": false, \"mysql\": false, \"mssql\": false, \"oraclesql\": false, \"c\": false, \"csharp\": false, \"javascript\": false, \"typescript\": false, \"bash\": false, \"php\": false, \"swift\": false, \"kotlin\": false, \"dart\": false, \"golang\": false, \"ruby\": false, \"scala\": false, \"html\": false, \"pythonml\": false, \"rust\": false, \"racket\": false, \"erlang\": false, \"elixir\": false, \"pythondata\": false, \"react\": false, \"vanillajs\": false, \"postgresql\": false, \"cangjie\": false}",
"topicTags": [
{
"name": "Database",
@@ -59,7 +59,7 @@
"__typename": "CodeSnippetNode"
}
],
"stats": "{\"totalAccepted\": \"17.6K\", \"totalSubmission\": \"28.4K\", \"totalAcceptedRaw\": 17615, \"totalSubmissionRaw\": 28369, \"acRate\": \"62.1%\"}",
"stats": "{\"totalAccepted\": \"53.9K\", \"totalSubmission\": \"84.4K\", \"totalAcceptedRaw\": 53905, \"totalSubmissionRaw\": 84429, \"acRate\": \"63.8%\"}",
"hints": [],
"solution": null,
"status": null,
@@ -85,7 +85,7 @@
"insert into Confirmations (user_id, time_stamp, action) values ('2', '2021-02-28 23:59:59', 'timeout')"
],
"enableRunCode": true,
"envInfo": "{\"mysql\":[\"MySQL\",\"<p>\\u7248\\u672c\\uff1a<code>MySQL 8.0<\\/code><\\/p>\"],\"mssql\":[\"MS SQL Server\",\"<p>mssql server 2019.<\\/p>\"],\"oraclesql\":[\"Oracle\",\"<p>Oracle Sql 11.2.<\\/p>\"],\"pythondata\":[\"Pandas\",\"<p>Python 3.10 with Pandas 2.0.2 and NumPy 1.25.0<\\/p>\"],\"postgresql\":[\"PostgreSQL\",\"<p>PostgreSQL 16<\\/p>\"]}",
"envInfo": "{\"mysql\":[\"MySQL\",\"<p>\\u7248\\u672c\\uff1a<code>MySQL 8.0<\\/code><\\/p>\"],\"mssql\":[\"MS SQL Server\",\"<p>mssql server 2019.<\\/p>\"],\"oraclesql\":[\"Oracle\",\"<p>Oracle Sql 11.2.<\\/p>\"],\"pythondata\":[\"Pandas\",\"<p>Python 3.10 with Pandas 2.2.2 and NumPy 1.26.4<\\/p>\"],\"postgresql\":[\"PostgreSQL\",\"<p>PostgreSQL 16<\\/p>\"]}",
"book": null,
"isSubscribed": false,
"isDailyQuestion": false,