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存量题库数据更新
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@@ -7,17 +7,17 @@
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"boundTopicId": 1357,
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"title": "Duplicate Emails",
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"titleSlug": "duplicate-emails",
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"content": "<p>Table: <code>Person</code></p>\n\n<pre>\n+-------------+---------+\n| Column Name | Type |\n+-------------+---------+\n| id | int |\n| email | varchar |\n+-------------+---------+\nid is the primary key column for this table.\nEach row of this table contains an email. The emails will not contain uppercase letters.\n</pre>\n\n<p> </p>\n\n<p>Write an SQL query to report all the duplicate emails.</p>\n\n<p>Return the result table in <strong>any order</strong>.</p>\n\n<p>The query result format is in the following example.</p>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> \nPerson table:\n+----+---------+\n| id | email |\n+----+---------+\n| 1 | a@b.com |\n| 2 | c@d.com |\n| 3 | a@b.com |\n+----+---------+\n<strong>Output:</strong> \n+---------+\n| Email |\n+---------+\n| a@b.com |\n+---------+\n<strong>Explanation:</strong> a@b.com is repeated two times.\n</pre>\n",
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"content": "<p>Table: <code>Person</code></p>\n\n<pre>\n+-------------+---------+\n| Column Name | Type |\n+-------------+---------+\n| id | int |\n| email | varchar |\n+-------------+---------+\nid is the primary key (column with unique values) for this table.\nEach row of this table contains an email. The emails will not contain uppercase letters.\n</pre>\n\n<p> </p>\n\n<p>Write a solution to report all the duplicate emails. Note that it's guaranteed that the email field is not NULL.</p>\n\n<p>Return the result table in <strong>any order</strong>.</p>\n\n<p>The result format is in the following example.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> \nPerson table:\n+----+---------+\n| id | email |\n+----+---------+\n| 1 | a@b.com |\n| 2 | c@d.com |\n| 3 | a@b.com |\n+----+---------+\n<strong>Output:</strong> \n+---------+\n| Email |\n+---------+\n| a@b.com |\n+---------+\n<strong>Explanation:</strong> a@b.com is repeated two times.\n</pre>\n",
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"translatedTitle": "查找重复的电子邮箱",
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"translatedContent": "<p>编写一个 SQL 查询，查找 <code>Person</code> 表中所有重复的电子邮箱。</p>\n\n<p><strong>示例：</strong></p>\n\n<pre>+----+---------+\n| Id | Email |\n+----+---------+\n| 1 | a@b.com |\n| 2 | c@d.com |\n| 3 | a@b.com |\n+----+---------+\n</pre>\n\n<p>根据以上输入，你的查询应返回以下结果：</p>\n\n<pre>+---------+\n| Email |\n+---------+\n| a@b.com |\n+---------+\n</pre>\n\n<p><strong>说明：</strong>所有电子邮箱都是小写字母。</p>\n",
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"translatedContent": "<p><meta charset=\"UTF-8\" /></p>\n\n<p>表: <code>Person</code></p>\n\n<pre>\n+-------------+---------+\n| Column Name | Type |\n+-------------+---------+\n| id | int |\n| email | varchar |\n+-------------+---------+\nid 是该表的主键（具有唯一值的列）。\n此表的每一行都包含一封电子邮件。电子邮件不包含大写字母。\n</pre>\n\n<p> </p>\n\n<p>编写解决方案来报告所有重复的电子邮件。 请注意，可以保证电子邮件字段不为 NULL。</p>\n\n<p>以 <strong>任意顺序 </strong>返回结果表。</p>\n\n<p>结果格式如下例。</p>\n\n<p> </p>\n\n<p><strong>示例 1:</strong></p>\n\n<pre>\n<strong>输入:</strong> \nPerson 表:\n+----+---------+\n| id | email |\n+----+---------+\n| 1 | a@b.com |\n| 2 | c@d.com |\n| 3 | a@b.com |\n+----+---------+\n<strong>输出:</strong> \n+---------+\n| Email |\n+---------+\n| a@b.com |\n+---------+\n<strong>解释:</strong> a@b.com 出现了两次。</pre>\n",
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"difficulty": "Easy",
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"contributors": [],
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"topicTags": [
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{
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"name": "Database",
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@@ -45,9 +45,21 @@
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"langSlug": "oraclesql",
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"code": "/* Write your PL/SQL query statement below */",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "Pandas",
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"langSlug": "pythondata",
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"code": "import pandas as pd\n\ndef duplicate_emails(person: pd.DataFrame) -> pd.DataFrame:\n ",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "PostgreSQL",
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"langSlug": "postgresql",
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"code": "-- Write your PostgreSQL query statement below",
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"__typename": "CodeSnippetNode"
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"hints": [],
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"solution": {
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"id": "103",
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@@ -55,8 +67,8 @@
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"__typename": "ArticleNode"
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},
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"status": null,
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"sampleTestCase": "{\"headers\": {\"Person\": [\"Id\", \"Email\"]}, \"rows\": {\"Person\": [[1, \"a@b.com\"], [2, \"c@d.com\"], [3, \"a@b.com\"]]}}",
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"sampleTestCase": "{\"headers\": {\"Person\": [\"id\", \"email\"]}, \"rows\": {\"Person\": [[1, \"a@b.com\"], [2, \"c@d.com\"], [3, \"a@b.com\"]]}}",
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@@ -67,7 +79,7 @@
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"insert into Person (id, email) values ('3', 'a@b.com')"
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],
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"enableRunCode": true,
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