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leetcode/originData/classes-more-than-5-students.json
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leetcode/originData/classes-more-than-5-students.json
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{
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"data": {
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"question": {
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"questionId": "596",
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"questionFrontendId": "596",
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"boundTopicId": null,
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"title": "Classes More Than 5 Students",
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"titleSlug": "classes-more-than-5-students",
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"content": "<p>Table: <code>Courses</code></p>\n\n<pre>\n+-------------+---------+\n| Column Name | Type |\n+-------------+---------+\n| student | varchar |\n| class | varchar |\n+-------------+---------+\n(student, class) is the primary key column for this table.\nEach row of this table indicates the name of a student and the class in which they are enrolled.\n</pre>\n\n<p> </p>\n\n<p>Write an SQL query to report all the classes that have <strong>at least five students</strong>.</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> \nCourses table:\n+---------+----------+\n| student | class |\n+---------+----------+\n| A | Math |\n| B | English |\n| C | Math |\n| D | Biology |\n| E | Math |\n| F | Computer |\n| G | Math |\n| H | Math |\n| I | Math |\n+---------+----------+\n<strong>Output:</strong> \n+---------+\n| class |\n+---------+\n| Math |\n+---------+\n<strong>Explanation:</strong> \n- Math has 6 students, so we include it.\n- English has 1 student, so we do not include it.\n- Biology has 1 student, so we do not include it.\n- Computer has 1 student, so we do not include it.\n</pre>\n",
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"isPaidOnly": false,
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"difficulty": "Easy",
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"likes": 417,
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"dislikes": 903,
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"isLiked": null,
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"similarQuestions": "[]",
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"exampleTestcases": "{\"headers\": {\"Courses\": [\"student\", \"class\"]}, \"rows\": {\"Courses\": [[\"A\", \"Math\"], [\"B\", \"English\"], [\"C\", \"Math\"], [\"D\", \"Biology\"], [\"E\", \"Math\"], [\"F\", \"Computer\"], [\"G\", \"Math\"], [\"H\", \"Math\"], [\"I\", \"Math\"]]}}",
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"categoryTitle": "Database",
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"contributors": [],
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"topicTags": [
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{
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"name": "Database",
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"slug": "database",
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"codeSnippets": [
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{
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"lang": "MySQL",
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"langSlug": "mysql",
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"code": "# Write your MySQL query statement below\n",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "MS SQL Server",
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"langSlug": "mssql",
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"code": "/* Write your T-SQL query statement below */\n",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "Oracle",
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"langSlug": "oraclesql",
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"code": "/* Write your PL/SQL query statement below */\n",
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"__typename": "CodeSnippetNode"
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}
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],
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"stats": "{\"totalAccepted\": \"152.8K\", \"totalSubmission\": \"363.6K\", \"totalAcceptedRaw\": 152764, \"totalSubmissionRaw\": 363609, \"acRate\": \"42.0%\"}",
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"hints": [],
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"solution": {
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"id": "202",
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},
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"status": null,
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"sampleTestCase": "{\"headers\": {\"Courses\": [\"student\", \"class\"]}, \"rows\": {\"Courses\": [[\"A\", \"Math\"], [\"B\", \"English\"], [\"C\", \"Math\"], [\"D\", \"Biology\"], [\"E\", \"Math\"], [\"F\", \"Computer\"], [\"G\", \"Math\"], [\"H\", \"Math\"], [\"I\", \"Math\"]]}}",
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"metaData": "{\n \"mysql\": [\n \"Create table If Not Exists Courses (student varchar(255), class varchar(255))\"\n ],\n \"mssql\": [\n \"Create table Courses (student varchar(255), class varchar(255))\"\n ],\n \"oraclesql\": [\n \"Create table Courses (student varchar(255), class varchar(255))\"\n ],\n \"database\": true\n}",
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"judgerAvailable": true,
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"judgeType": "large",
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"mysqlSchemas": [
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"Create table If Not Exists Courses (student varchar(255), class varchar(255))",
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"Truncate table Courses",
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"insert into Courses (student, class) values ('A', 'Math')",
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"insert into Courses (student, class) values ('B', 'English')",
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"insert into Courses (student, class) values ('C', 'Math')",
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"insert into Courses (student, class) values ('D', 'Biology')",
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"insert into Courses (student, class) values ('E', 'Math')",
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"insert into Courses (student, class) values ('F', 'Computer')",
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"insert into Courses (student, class) values ('G', 'Math')",
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"insert into Courses (student, class) values ('H', 'Math')",
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"insert into Courses (student, class) values ('I', 'Math')"
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],
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"enableRunCode": true,
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"enableTestMode": false,
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"enableDebugger": false,
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"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>\"]}",
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"libraryUrl": null,
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"challengeQuestion": null,
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"__typename": "QuestionNode"
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}
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}
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}
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