{
    "data": {
        "question": {
            "questionId": "1198",
            "questionFrontendId": "1098",
            "categoryTitle": "Database",
            "boundTopicId": 10995,
            "title": "Unpopular Books",
            "titleSlug": "unpopular-books",
            "content": null,
            "translatedTitle": "小众书籍",
            "translatedContent": null,
            "isPaidOnly": true,
            "difficulty": "Medium",
            "likes": 89,
            "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\": \"10.1K\", \"totalSubmission\": \"21.1K\", \"totalAcceptedRaw\": 10050, \"totalSubmissionRaw\": 21120, \"acRate\": \"47.6%\"}",
            "hints": [],
            "solution": null,
            "status": null,
            "sampleTestCase": "{\"headers\":{\"Books\":[\"book_id\",\"name\",\"available_from\"],\"Orders\":[\"order_id\",\"book_id\",\"quantity\",\"dispatch_date\"]},\"rows\":{\"Books\":[[1,\"Kalila And Demna\",\"2010-01-01\"],[2,\"28 Letters\",\"2012-05-12\"],[3,\"The Hobbit\",\"2019-06-10\"],[4,\"13 Reasons Why\",\"2019-06-01\"],[5,\"The Hunger Games\",\"2008-09-21\"]],\"Orders\":[[1,1,2,\"2018-07-26\"],[2,1,1,\"2018-11-05\"],[3,3,8,\"2019-06-11\"],[4,4,6,\"2019-06-05\"],[5,4,5,\"2019-06-20\"],[6,5,9,\"2009-02-02\"],[7,5,8,\"2010-04-13\"]]}}",
            "metaData": "{\n  \"mysql\": [\n    \"Create table If Not Exists Books (book_id int, name varchar(50), available_from date)\",\n    \"Create table If Not Exists Orders (order_id int, book_id int, quantity int, dispatch_date date)\"\n  ],\n  \"mssql\": [\n    \"Create table Books (book_id int, name varchar(50), available_from date)\",\n    \"Create table Orders (order_id int, book_id int, quantity int, dispatch_date date)\"\n  ],\n  \"oraclesql\": [\n    \"Create table Books (book_id int, name varchar(50), available_from date)\",\n    \"Create table Orders (order_id int, book_id int, quantity int, dispatch_date date)\",\n    \"ALTER SESSION SET nls_date_format='YYYY-MM-DD'\"\n  ],\n  \"database\": true\n}",
            "judgerAvailable": true,
            "judgeType": "large",
            "mysqlSchemas": [
                "Create table If Not Exists Books (book_id int, name varchar(50), available_from date)",
                "Create table If Not Exists Orders (order_id int, book_id int, quantity int, dispatch_date date)",
                "Truncate table Books",
                "insert into Books (book_id, name, available_from) values ('1', 'Kalila And Demna', '2010-01-01')",
                "insert into Books (book_id, name, available_from) values ('2', '28 Letters', '2012-05-12')",
                "insert into Books (book_id, name, available_from) values ('3', 'The Hobbit', '2019-06-10')",
                "insert into Books (book_id, name, available_from) values ('4', '13 Reasons Why', '2019-06-01')",
                "insert into Books (book_id, name, available_from) values ('5', 'The Hunger Games', '2008-09-21')",
                "Truncate table Orders",
                "insert into Orders (order_id, book_id, quantity, dispatch_date) values ('1', '1', '2', '2018-07-26')",
                "insert into Orders (order_id, book_id, quantity, dispatch_date) values ('2', '1', '1', '2018-11-05')",
                "insert into Orders (order_id, book_id, quantity, dispatch_date) values ('3', '3', '8', '2019-06-11')",
                "insert into Orders (order_id, book_id, quantity, dispatch_date) values ('4', '4', '6', '2019-06-05')",
                "insert into Orders (order_id, book_id, quantity, dispatch_date) values ('5', '4', '5', '2019-06-20')",
                "insert into Orders (order_id, book_id, quantity, dispatch_date) values ('6', '5', '9', '2009-02-02')",
                "insert into Orders (order_id, book_id, quantity, dispatch_date) values ('7', '5', '8', '2010-04-13')"
            ],
            "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>\"]}",
            "book": null,
            "isSubscribed": false,
            "isDailyQuestion": false,
            "dailyRecordStatus": null,
            "editorType": "CKEDITOR",
            "ugcQuestionId": null,
            "style": "LEETCODE",
            "exampleTestcases": "{\"headers\":{\"Books\":[\"book_id\",\"name\",\"available_from\"],\"Orders\":[\"order_id\",\"book_id\",\"quantity\",\"dispatch_date\"]},\"rows\":{\"Books\":[[1,\"Kalila And Demna\",\"2010-01-01\"],[2,\"28 Letters\",\"2012-05-12\"],[3,\"The Hobbit\",\"2019-06-10\"],[4,\"13 Reasons Why\",\"2019-06-01\"],[5,\"The Hunger Games\",\"2008-09-21\"]],\"Orders\":[[1,1,2,\"2018-07-26\"],[2,1,1,\"2018-11-05\"],[3,3,8,\"2019-06-11\"],[4,4,6,\"2019-06-05\"],[5,4,5,\"2019-06-20\"],[6,5,9,\"2009-02-02\"],[7,5,8,\"2010-04-13\"]]}}",
            "__typename": "QuestionNode"
        }
    }
}