mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-09-06 16:01:41 +08:00
存量题库数据更新
This commit is contained in:
@@ -6,13 +6,13 @@
|
||||
"boundTopicId": null,
|
||||
"title": "Delete Duplicate Emails",
|
||||
"titleSlug": "delete-duplicate-emails",
|
||||
"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 <strong>delete</strong> all the duplicate emails, keeping only one unique email with the smallest <code>id</code>. Note that you are supposed to write a <code>DELETE</code> statement and not a <code>SELECT</code> one.</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 | john@example.com |\n| 2 | bob@example.com |\n| 3 | john@example.com |\n+----+------------------+\n<strong>Output:</strong> \n+----+------------------+\n| id | email |\n+----+------------------+\n| 1 | john@example.com |\n| 2 | bob@example.com |\n+----+------------------+\n<strong>Explanation:</strong> john@example.com is repeated two times. We keep the row with the smallest Id = 1.\n</pre>\n",
|
||||
"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<strong> delete</strong> all duplicate emails, keeping only one unique email with the smallest <code>id</code>.</p>\n\n<p>For SQL users, please note that you are supposed to write a <code>DELETE</code> statement and not a <code>SELECT</code> one.</p>\n\n<p>For Pandas users, please note that you are supposed to modify <code>Person</code> in place.</p>\n\n<p>After running your script, the answer shown is the <code>Person</code> table. The driver will first compile and run your piece of code and then show the <code>Person</code> table. The final order of the <code>Person</code> table <strong>does not matter</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 | john@example.com |\n| 2 | bob@example.com |\n| 3 | john@example.com |\n+----+------------------+\n<strong>Output:</strong> \n+----+------------------+\n| id | email |\n+----+------------------+\n| 1 | john@example.com |\n| 2 | bob@example.com |\n+----+------------------+\n<strong>Explanation:</strong> john@example.com is repeated two times. We keep the row with the smallest Id = 1.\n</pre>\n",
|
||||
"translatedTitle": null,
|
||||
"translatedContent": null,
|
||||
"isPaidOnly": false,
|
||||
"difficulty": "Easy",
|
||||
"likes": 90,
|
||||
"dislikes": 21,
|
||||
"likes": 1466,
|
||||
"dislikes": 294,
|
||||
"isLiked": null,
|
||||
"similarQuestions": "[]",
|
||||
"exampleTestcases": "{\"headers\": {\"Person\": [\"id\", \"email\"]}, \"rows\": {\"Person\": [[1, \"john@example.com\"], [2, \"bob@example.com\"], [3, \"john@example.com\"]]}}",
|
||||
@@ -31,35 +31,47 @@
|
||||
{
|
||||
"lang": "MySQL",
|
||||
"langSlug": "mysql",
|
||||
"code": "# Please write a DELETE statement and DO NOT write a SELECT statement.\n# Write your MySQL query statement below\n",
|
||||
"code": "# Write your MySQL query statement below\n",
|
||||
"__typename": "CodeSnippetNode"
|
||||
},
|
||||
{
|
||||
"lang": "MS SQL Server",
|
||||
"langSlug": "mssql",
|
||||
"code": "/* \n Please write a DELETE statement and DO NOT write a SELECT statement.\n Write your T-SQL query statement below\n */\n",
|
||||
"code": "/* Write your T-SQL query statement below */\n",
|
||||
"__typename": "CodeSnippetNode"
|
||||
},
|
||||
{
|
||||
"lang": "Oracle",
|
||||
"langSlug": "oraclesql",
|
||||
"code": "/*\n Please write a DELETE statement and DO NOT write a SELECT statement.\n Write your PL/SQL query statement below\n */\n",
|
||||
"code": "/* Write your PL/SQL query statement below */\n",
|
||||
"__typename": "CodeSnippetNode"
|
||||
},
|
||||
{
|
||||
"lang": "Pandas",
|
||||
"langSlug": "pythondata",
|
||||
"code": "import pandas as pd\n\ndef delete_duplicate_emails(person: pd.DataFrame) -> None:\n ",
|
||||
"__typename": "CodeSnippetNode"
|
||||
},
|
||||
{
|
||||
"lang": "PostgreSQL",
|
||||
"langSlug": "postgresql",
|
||||
"code": "-- Write your PostgreSQL query statement below\n",
|
||||
"__typename": "CodeSnippetNode"
|
||||
}
|
||||
],
|
||||
"stats": "{\"totalAccepted\": \"215.2K\", \"totalSubmission\": \"412.3K\", \"totalAcceptedRaw\": 215167, \"totalSubmissionRaw\": 412328, \"acRate\": \"52.2%\"}",
|
||||
"stats": "{\"totalAccepted\": \"463.4K\", \"totalSubmission\": \"758.6K\", \"totalAcceptedRaw\": 463396, \"totalSubmissionRaw\": 758556, \"acRate\": \"61.1%\"}",
|
||||
"hints": [],
|
||||
"solution": {
|
||||
"id": "210",
|
||||
"canSeeDetail": true,
|
||||
"paidOnly": false,
|
||||
"canSeeDetail": false,
|
||||
"paidOnly": true,
|
||||
"hasVideoSolution": false,
|
||||
"paidOnlyVideo": true,
|
||||
"__typename": "ArticleNode"
|
||||
},
|
||||
"status": null,
|
||||
"sampleTestCase": "{\"headers\": {\"Person\": [\"id\", \"email\"]}, \"rows\": {\"Person\": [[1, \"john@example.com\"], [2, \"bob@example.com\"], [3, \"john@example.com\"]]}}",
|
||||
"metaData": "{\n \"mysql\": [\n \"Create table If Not Exists Person (Id int, Email varchar(255))\"\n ],\n \"mssql\": [\n \"Create table Person (Id int, Email varchar(255))\"\n ],\n \"oraclesql\": [\n \"Create table Person (Id int, Email varchar(255))\"\n ],\n \"database\": true,\n \"manual\": true\n}",
|
||||
"metaData": "{\"mysql\": [\"Create table If Not Exists Person (Id int, Email varchar(255))\"], \"mssql\": [\"Create table Person (Id int, Email varchar(255))\"], \"oraclesql\": [\"Create table Person (Id int, Email varchar(255))\"], \"database\": true, \"manual\": true, \"name\": \"delete_duplicate_emails\", \"pythondata\": [\"Person = pd.DataFrame([], columns=['id', 'email']).astype({'id':'int64', 'email':'object'})\"], \"postgresql\": [\"Create table If Not Exists Person (Id int, Email varchar(255))\\n\"], \"database_schema\": {\"Person\": {\"Id\": \"INT\", \"Email\": \"VARCHAR(255)\"}}}",
|
||||
"judgerAvailable": true,
|
||||
"judgeType": "large",
|
||||
"mysqlSchemas": [
|
||||
@@ -72,7 +84,7 @@
|
||||
"enableRunCode": true,
|
||||
"enableTestMode": false,
|
||||
"enableDebugger": false,
|
||||
"envInfo": "{\"mysql\": [\"MySQL\", \"<p><code>MySQL 8.0</code>.</p>\"], \"mssql\": [\"MS SQL Server\", \"<p><code>mssql server 2019</code>.</p>\"], \"oraclesql\": [\"Oracle\", \"<p><code>Oracle Sql 11.2</code>.</p>\"]}",
|
||||
"envInfo": "{\"mysql\": [\"MySQL\", \"<p><code>MySQL 8.0</code>.</p>\"], \"mssql\": [\"MS SQL Server\", \"<p><code>mssql server 2019</code>.</p>\"], \"oraclesql\": [\"Oracle\", \"<p><code>Oracle Sql 11.2</code>.</p>\"], \"pythondata\": [\"Pandas\", \"<p>Python 3.10 with Pandas 2.0.2 and NumPy 1.25.0</p>\"], \"postgresql\": [\"PostgreSQL\", \"<p>PostgreSQL 16</p>\"]}",
|
||||
"libraryUrl": null,
|
||||
"adminUrl": null,
|
||||
"challengeQuestion": null,
|
||||
|
||||
Reference in New Issue
Block a user