{ "data": { "question": { "questionId": "2087", "questionFrontendId": "1934", "boundTopicId": null, "title": "Confirmation Rate", "titleSlug": "confirmation-rate", "content": null, "translatedTitle": null, "translatedContent": null, "isPaidOnly": true, "difficulty": "Medium", "likes": 31, "dislikes": 9, "isLiked": null, "similarQuestions": "[]", "exampleTestcases": "{\"headers\": {\"Signups\": [\"user_id\", \"time_stamp\"], \"Confirmations\": [\"user_id\", \"time_stamp\", \"action\"]}, \"rows\": {\"Signups\": [[3, \"2020-03-21 10:16:13\"], [7, \"2020-01-04 13:57:59\"], [2, \"2020-07-29 23:09:44\"], [6, \"2020-12-09 10:39:37\"]], \"Confirmations\": [[3, \"2021-01-06 03:30:46\", \"timeout\"], [3, \"2021-07-14 14:00:00\", \"timeout\"], [7, \"2021-06-12 11:57:29\", \"confirmed\"], [7, \"2021-06-13 12:58:28\", \"confirmed\"], [7, \"2021-06-14 13:59:27\", \"confirmed\"], [2, \"2021-01-22 00:00:00\", \"confirmed\"], [2, \"2021-02-28 23:59:59\", \"timeout\"]]}}", "categoryTitle": "Database", "contributors": [], "topicTags": [ { "name": "Database", "slug": "database", "translatedName": null, "__typename": "TopicTagNode" } ], "companyTagStats": null, "codeSnippets": null, "stats": "{\"totalAccepted\": \"6.3K\", \"totalSubmission\": \"8.1K\", \"totalAcceptedRaw\": 6310, \"totalSubmissionRaw\": 8129, \"acRate\": \"77.6%\"}", "hints": [], "solution": null, "status": null, "sampleTestCase": "{\"headers\": {\"Signups\": [\"user_id\", \"time_stamp\"], \"Confirmations\": [\"user_id\", \"time_stamp\", \"action\"]}, \"rows\": {\"Signups\": [[3, \"2020-03-21 10:16:13\"], [7, \"2020-01-04 13:57:59\"], [2, \"2020-07-29 23:09:44\"], [6, \"2020-12-09 10:39:37\"]], \"Confirmations\": [[3, \"2021-01-06 03:30:46\", \"timeout\"], [3, \"2021-07-14 14:00:00\", \"timeout\"], [7, \"2021-06-12 11:57:29\", \"confirmed\"], [7, \"2021-06-13 12:58:28\", \"confirmed\"], [7, \"2021-06-14 13:59:27\", \"confirmed\"], [2, \"2021-01-22 00:00:00\", \"confirmed\"], [2, \"2021-02-28 23:59:59\", \"timeout\"]]}}", "metaData": "{\n \"mysql\": [\n \"Create table If Not Exists Signups (user_id int, time_stamp datetime)\",\n \"Create table If Not Exists Confirmations (user_id int, time_stamp datetime, action ENUM('confirmed','timeout'))\"\n ],\n \"mssql\": [\n \"Create table Signups (user_id int, time_stamp datetime)\",\n \"Create table Confirmations (user_id int, time_stamp datetime, action VARCHAR(10) NOT NULL CHECK (action IN ('confirmed','timeout')))\"\n ],\n \"oraclesql\": [\n \"Create table Signups (user_id int, time_stamp date)\",\n \"Create table Confirmations (user_id int, time_stamp date, action VARCHAR(10) NOT NULL CHECK (action IN ('confirmed','timeout')))\",\n \"ALTER SESSION SET nls_date_format='YYYY-MM-DD HH24:MI:SS'\"\n ],\n \"database\": true\n}", "judgerAvailable": true, "judgeType": "large", "mysqlSchemas": [ "Create table If Not Exists Signups (user_id int, time_stamp datetime)", "Create table If Not Exists Confirmations (user_id int, time_stamp datetime, action ENUM('confirmed','timeout'))", "Truncate table Signups", "insert into Signups (user_id, time_stamp) values ('3', '2020-03-21 10:16:13')", "insert into Signups (user_id, time_stamp) values ('7', '2020-01-04 13:57:59')", "insert into Signups (user_id, time_stamp) values ('2', '2020-07-29 23:09:44')", "insert into Signups (user_id, time_stamp) values ('6', '2020-12-09 10:39:37')", "Truncate table Confirmations", "insert into Confirmations (user_id, time_stamp, action) values ('3', '2021-01-06 03:30:46', 'timeout')", "insert into Confirmations (user_id, time_stamp, action) values ('3', '2021-07-14 14:00:00', 'timeout')", "insert into Confirmations (user_id, time_stamp, action) values ('7', '2021-06-12 11:57:29', 'confirmed')", "insert into Confirmations (user_id, time_stamp, action) values ('7', '2021-06-13 12:58:28', 'confirmed')", "insert into Confirmations (user_id, time_stamp, action) values ('7', '2021-06-14 13:59:27', 'confirmed')", "insert into Confirmations (user_id, time_stamp, action) values ('2', '2021-01-22 00:00:00', 'confirmed')", "insert into Confirmations (user_id, time_stamp, action) values ('2', '2021-02-28 23:59:59', 'timeout')" ], "enableRunCode": true, "enableTestMode": false, "enableDebugger": false, "envInfo": "{\"mysql\": [\"MySQL\", \"

MySQL 8.0.

\"], \"mssql\": [\"MS SQL Server\", \"

mssql server 2019.

\"], \"oraclesql\": [\"Oracle\", \"

Oracle Sql 11.2.

\"]}", "libraryUrl": null, "adminUrl": null, "challengeQuestion": null, "__typename": "QuestionNode" } } }