{ "data": { "question": { "questionId": "1579", "questionFrontendId": "1454", "categoryTitle": "Database", "boundTopicId": 258463, "title": "Active Users", "titleSlug": "active-users", "content": null, "translatedTitle": "活跃用户", "translatedContent": null, "isPaidOnly": true, "difficulty": "Medium", "likes": 81, "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\": \"11.4K\", \"totalSubmission\": \"29.9K\", \"totalAcceptedRaw\": 11380, \"totalSubmissionRaw\": 29856, \"acRate\": \"38.1%\"}", "hints": [], "solution": null, "status": null, "sampleTestCase": "{\"headers\":{\"Accounts\":[\"id\",\"name\"],\"Logins\":[\"id\",\"login_date\"]},\"rows\":{\"Accounts\":[[1,\"Winston\"],[7,\"Jonathan\"]],\"Logins\":[[7,\"2020-05-30\"],[1,\"2020-05-30\"],[7,\"2020-05-31\"],[7,\"2020-06-01\"],[7,\"2020-06-02\"],[7,\"2020-06-02\"],[7,\"2020-06-03\"],[1,\"2020-06-07\"],[7,\"2020-06-10\"]]}}", "metaData": "{\"mysql\":[\"Create table If Not Exists Accounts (id int, name varchar(10))\",\"Create table If Not Exists Logins (id int, login_date date)\"],\"mssql\":[\"Create table Accounts (id int, name varchar(10))\",\"Create table Logins (id int, login_date date)\"],\"oraclesql\":[\"Create table Accounts (id int, name varchar(10))\",\"Create table Logins (id int, login_date date)\",\"ALTER SESSION SET nls_date_format='YYYY-MM-DD'\"],\"database\":true,\"name\":\"active_users\",\"pythondata\":[\"Accounts = pd.DataFrame([], columns=['id', 'name']).astype({'id':'Int64', 'name':'object'})\",\"Logins = pd.DataFrame([], columns=['id', 'login_date']).astype({'id':'Int64', 'login_date':'datetime64[ns]'})\"],\"postgresql\":[\"Create table If Not Exists Accounts (id int, name varchar(10))\",\"Create table If Not Exists Logins (id int, login_date date)\"],\"database_schema\":{\"Accounts\":{\"id\":\"INT\",\"name\":\"VARCHAR(10)\"},\"Logins\":{\"id\":\"INT\",\"login_date\":\"DATE\"}}}", "judgerAvailable": true, "judgeType": "large", "mysqlSchemas": [ "Create table If Not Exists Accounts (id int, name varchar(10))", "Create table If Not Exists Logins (id int, login_date date)", "Truncate table Accounts", "insert into Accounts (id, name) values ('1', 'Winston')", "insert into Accounts (id, name) values ('7', 'Jonathan')", "Truncate table Logins", "insert into Logins (id, login_date) values ('7', '2020-05-30')", "insert into Logins (id, login_date) values ('1', '2020-05-30')", "insert into Logins (id, login_date) values ('7', '2020-05-31')", "insert into Logins (id, login_date) values ('7', '2020-06-01')", "insert into Logins (id, login_date) values ('7', '2020-06-02')", "insert into Logins (id, login_date) values ('7', '2020-06-02')", "insert into Logins (id, login_date) values ('7', '2020-06-03')", "insert into Logins (id, login_date) values ('1', '2020-06-07')", "insert into Logins (id, login_date) values ('7', '2020-06-10')" ], "enableRunCode": true, "envInfo": "{\"mysql\":[\"MySQL\",\"

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