{
    "data": {
        "question": {
            "questionId": "580",
            "questionFrontendId": "580",
            "categoryTitle": "Database",
            "boundTopicId": 2646,
            "title": "Count Student Number in Departments",
            "titleSlug": "count-student-number-in-departments",
            "content": null,
            "translatedTitle": "统计各专业学生人数",
            "translatedContent": null,
            "isPaidOnly": true,
            "difficulty": "Medium",
            "likes": 57,
            "dislikes": 0,
            "isLiked": null,
            "similarQuestions": "[]",
            "contributors": [],
            "langToValidPlayground": null,
            "topicTags": [
                {
                    "name": "Database",
                    "slug": "database",
                    "translatedName": "数据库",
                    "__typename": "TopicTagNode"
                }
            ],
            "companyTagStats": null,
            "codeSnippets": null,
            "stats": "{\"totalAccepted\": \"24.1K\", \"totalSubmission\": \"45K\", \"totalAcceptedRaw\": 24130, \"totalSubmissionRaw\": 44976, \"acRate\": \"53.7%\"}",
            "hints": [
                "Still remember the difference between 'INNER JOIN' and 'OUTTER JOIN' in SQL?",
                "Do you know other expressions using the 'COUNT' function besides 'COUNT(*)'?"
            ],
            "solution": null,
            "status": null,
            "sampleTestCase": "{\"headers\":{\"Student\":[\"student_id\",\"student_name\",\"gender\",\"dept_id\"],\"Department\":[\"dept_id\",\"dept_name\"]},\"rows\":{\"Student\":[[1,\"Jack\",\"M\",1],[2,\"Jane\",\"F\",1],[3,\"Mark\",\"M\",2]],\"Department\":[[1,\"Engineering\"],[2,\"Science\"],[3,\"Law\"]]}}",
            "metaData": "{\"mysql\":[\"Create table If Not Exists Student (student_id int,student_name varchar(45), gender varchar(6), dept_id int)\",\"Create table If Not Exists Department (dept_id int, dept_name varchar(255))\"],\"mssql\":[\"Create table Student (student_id int,student_name varchar(45), gender varchar(6), dept_id int)\",\"Create table Department (dept_id int, dept_name varchar(255))\"],\"oraclesql\":[\"Create table Student (student_id int,student_name varchar(45), gender varchar(6), dept_id int)\",\"Create table Department (dept_id int, dept_name varchar(255))\"],\"database\":true,\"name\":\"count_students\",\"pythondata\":[\"Student = pd.DataFrame([], columns=['student_id', 'student_name', 'gender', 'dept_id']).astype({'student_id':'Int64', 'student_name':'object', 'gender':'object', 'dept_id':'Int64'})\",\"Department = pd.DataFrame([], columns=['dept_id', 'dept_name']).astype({'dept_id':'Int64', 'dept_name':'object'})\"],\"postgresql\":[\"\\nCreate table If Not Exists Student (student_id int,student_name varchar(45), gender varchar(6), dept_id int)\",\"Create table If Not Exists Department (dept_id int, dept_name varchar(255))\"],\"database_schema\":{\"Student\":{\"student_id\":\"INT\",\"student_name\":\"VARCHAR(45)\",\"gender\":\"VARCHAR(6)\",\"dept_id\":\"INT\"},\"Department\":{\"dept_id\":\"INT\",\"dept_name\":\"VARCHAR(255)\"}}}",
            "judgerAvailable": true,
            "judgeType": "large",
            "mysqlSchemas": [
                "Create table If Not Exists Student (student_id int,student_name varchar(45), gender varchar(6), dept_id int)",
                "Create table If Not Exists Department (dept_id int, dept_name varchar(255))",
                "Truncate table Student",
                "insert into Student (student_id, student_name, gender, dept_id) values ('1', 'Jack', 'M', '1')",
                "insert into Student (student_id, student_name, gender, dept_id) values ('2', 'Jane', 'F', '1')",
                "insert into Student (student_id, student_name, gender, dept_id) values ('3', 'Mark', 'M', '2')",
                "Truncate table Department",
                "insert into Department (dept_id, dept_name) values ('1', 'Engineering')",
                "insert into Department (dept_id, dept_name) values ('2', 'Science')",
                "insert into Department (dept_id, dept_name) values ('3', 'Law')"
            ],
            "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>\"]}",
            "book": null,
            "isSubscribed": false,
            "isDailyQuestion": false,
            "dailyRecordStatus": null,
            "editorType": "CKEDITOR",
            "ugcQuestionId": null,
            "style": "LEETCODE",
            "exampleTestcases": "{\"headers\":{\"Student\":[\"student_id\",\"student_name\",\"gender\",\"dept_id\"],\"Department\":[\"dept_id\",\"dept_name\"]},\"rows\":{\"Student\":[[1,\"Jack\",\"M\",1],[2,\"Jane\",\"F\",1],[3,\"Mark\",\"M\",2]],\"Department\":[[1,\"Engineering\"],[2,\"Science\"],[3,\"Law\"]]}}",
            "__typename": "QuestionNode"
        }
    }
}