{
    "data": {
        "question": {
            "questionId": "1467",
            "questionFrontendId": "1336",
            "categoryTitle": "Database",
            "boundTopicId": 82627,
            "title": "Number of Transactions per Visit",
            "titleSlug": "number-of-transactions-per-visit",
            "content": null,
            "translatedTitle": "每次访问的交易次数",
            "translatedContent": null,
            "isPaidOnly": true,
            "difficulty": "Hard",
            "likes": 26,
            "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\": \"4.1K\", \"totalSubmission\": \"9.1K\", \"totalAcceptedRaw\": 4114, \"totalSubmissionRaw\": 9067, \"acRate\": \"45.4%\"}",
            "hints": [],
            "solution": null,
            "status": null,
            "sampleTestCase": "{\"headers\":{\"Visits\":[\"user_id\",\"visit_date\"],\"Transactions\":[\"user_id\",\"transaction_date\",\"amount\"]},\"rows\":{\"Visits\":[[1,\"2020-01-01\"],[2,\"2020-01-02\"],[12,\"2020-01-01\"],[19,\"2020-01-03\"],[1,\"2020-01-02\"],[2,\"2020-01-03\"],[1,\"2020-01-04\"],[7,\"2020-01-11\"],[9,\"2020-01-25\"],[8,\"2020-01-28\"]],\"Transactions\":[[1,\"2020-01-02\",120],[2,\"2020-01-03\",22],[7,\"2020-01-11\",232],[1,\"2020-01-04\",7],[9,\"2020-01-25\",33],[9,\"2020-01-25\",66],[8,\"2020-01-28\",1],[9,\"2020-01-25\",99]]}}",
            "metaData": "{\"mysql\":[\"Create table If Not Exists Visits (user_id int, visit_date date)\",\"Create table If Not Exists Transactions (user_id int, transaction_date date, amount int)\"],\"mssql\":[\"Create table Visits (user_id int, visit_date date)\",\"Create table Transactions (user_id int, transaction_date date, amount int)\"],\"oraclesql\":[\"Create table Visits (user_id int, visit_date date)\",\"Create table Transactions (user_id int, transaction_date date, amount int)\",\"ALTER SESSION SET nls_date_format='YYYY-MM-DD'\"],\"database\":true,\"name\":\"draw_chart\",\"pythondata\":[\"Visits = pd.DataFrame([], columns=['user_id', 'visit_date']).astype({'user_id':'Int64', 'visit_date':'datetime64[ns]'})\",\"Transactions = pd.DataFrame([], columns=['user_id', 'transaction_date', 'amount']).astype({'user_id':'Int64', 'transaction_date':'datetime64[ns]', 'amount':'Int64'})\"],\"postgresql\":[\"\\nCreate table If Not Exists Visits (user_id int, visit_date date)\\n\",\"Create table If Not Exists Transactions (user_id int, transaction_date date, amount int)\"],\"database_schema\":{\"Visits\":{\"user_id\":\"INT\",\"visit_date\":\"DATE\"},\"Transactions\":{\"user_id\":\"INT\",\"transaction_date\":\"DATE\",\"amount\":\"INT\"}}}",
            "judgerAvailable": true,
            "judgeType": "large",
            "mysqlSchemas": [
                "Create table If Not Exists Visits (user_id int, visit_date date)",
                "Create table If Not Exists Transactions (user_id int, transaction_date date, amount int)",
                "Truncate table Visits",
                "insert into Visits (user_id, visit_date) values ('1', '2020-01-01')",
                "insert into Visits (user_id, visit_date) values ('2', '2020-01-02')",
                "insert into Visits (user_id, visit_date) values ('12', '2020-01-01')",
                "insert into Visits (user_id, visit_date) values ('19', '2020-01-03')",
                "insert into Visits (user_id, visit_date) values ('1', '2020-01-02')",
                "insert into Visits (user_id, visit_date) values ('2', '2020-01-03')",
                "insert into Visits (user_id, visit_date) values ('1', '2020-01-04')",
                "insert into Visits (user_id, visit_date) values ('7', '2020-01-11')",
                "insert into Visits (user_id, visit_date) values ('9', '2020-01-25')",
                "insert into Visits (user_id, visit_date) values ('8', '2020-01-28')",
                "Truncate table Transactions",
                "insert into Transactions (user_id, transaction_date, amount) values ('1', '2020-01-02', '120')",
                "insert into Transactions (user_id, transaction_date, amount) values ('2', '2020-01-03', '22')",
                "insert into Transactions (user_id, transaction_date, amount) values ('7', '2020-01-11', '232')",
                "insert into Transactions (user_id, transaction_date, amount) values ('1', '2020-01-04', '7')",
                "insert into Transactions (user_id, transaction_date, amount) values ('9', '2020-01-25', '33')",
                "insert into Transactions (user_id, transaction_date, amount) values ('9', '2020-01-25', '66')",
                "insert into Transactions (user_id, transaction_date, amount) values ('8', '2020-01-28', '1')",
                "insert into Transactions (user_id, transaction_date, amount) values ('9', '2020-01-25', '99')"
            ],
            "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\":{\"Visits\":[\"user_id\",\"visit_date\"],\"Transactions\":[\"user_id\",\"transaction_date\",\"amount\"]},\"rows\":{\"Visits\":[[1,\"2020-01-01\"],[2,\"2020-01-02\"],[12,\"2020-01-01\"],[19,\"2020-01-03\"],[1,\"2020-01-02\"],[2,\"2020-01-03\"],[1,\"2020-01-04\"],[7,\"2020-01-11\"],[9,\"2020-01-25\"],[8,\"2020-01-28\"]],\"Transactions\":[[1,\"2020-01-02\",120],[2,\"2020-01-03\",22],[7,\"2020-01-11\",232],[1,\"2020-01-04\",7],[9,\"2020-01-25\",33],[9,\"2020-01-25\",66],[8,\"2020-01-28\",1],[9,\"2020-01-25\",99]]}}",
            "__typename": "QuestionNode"
        }
    }
}