{ "data": { "question": { "questionId": "3424", "questionFrontendId": "3118", "boundTopicId": null, "title": "Friday Purchase III ", "titleSlug": "friday-purchase-iii", "content": null, "translatedTitle": null, "translatedContent": null, "isPaidOnly": true, "difficulty": "Medium", "likes": 3, "dislikes": 2, "isLiked": null, "similarQuestions": "[]", "exampleTestcases": "{\"headers\":{\"Purchases\":[\"user_id\",\"purchase_date\",\"amount_spend\"],\"Users\":[\"user_id\",\"membership\"]},\"rows\":{\"Purchases\":[[11,\"2023-11-03\",1126],[15,\"2023-11-10\",7473],[17,\"2023-11-17\",2414],[12,\"2023-11-24\",9692],[8,\"2023-11-24\",5117],[1,\"2023-11-24\",5241],[10,\"2023-11-22\",8266],[13,\"2023-11-21\",12000]],\"Users\":[[11,\"Premium\"],[15,\"VIP\"],[17,\"Standard\"],[12,\"VIP\"],[8,\"Premium\"],[1,\"VIP\"],[10,\"Standard\"],[13,\"Premium\"]]}}", "categoryTitle": "Database", "contributors": [], "topicTags": [ { "name": "Database", "slug": "database", "translatedName": null, "__typename": "TopicTagNode" } ], "companyTagStats": null, "codeSnippets": null, "stats": "{\"totalAccepted\": \"221\", \"totalSubmission\": \"341\", \"totalAcceptedRaw\": 221, \"totalSubmissionRaw\": 341, \"acRate\": \"64.8%\"}", "hints": [], "solution": null, "status": null, "sampleTestCase": "{\"headers\":{\"Purchases\":[\"user_id\",\"purchase_date\",\"amount_spend\"],\"Users\":[\"user_id\",\"membership\"]},\"rows\":{\"Purchases\":[[11,\"2023-11-03\",1126],[15,\"2023-11-10\",7473],[17,\"2023-11-17\",2414],[12,\"2023-11-24\",9692],[8,\"2023-11-24\",5117],[1,\"2023-11-24\",5241],[10,\"2023-11-22\",8266],[13,\"2023-11-21\",12000]],\"Users\":[[11,\"Premium\"],[15,\"VIP\"],[17,\"Standard\"],[12,\"VIP\"],[8,\"Premium\"],[1,\"VIP\"],[10,\"Standard\"],[13,\"Premium\"]]}}", "metaData": "{\"mysql\": [\"Create Table if Not Exists Purchases( user_id int, purchase_date date, amount_spend int)\", \"Create Table if Not Exists Users (user_id int, membership enum('Standard', 'Premium', 'VIP'))\"], \"mssql\": [\"Create Table Purchases( user_id int, purchase_date date, amount_spend int)\", \"Create Table Users (user_id int, membership varchar(30) NOT NULL CHECK ( membership in ('Standard', 'Premium', 'VIP')))\"], \"oraclesql\": [\"Create Table Purchases( user_id int, purchase_date date, amount_spend int)\", \"ALTER SESSION SET nls_date_format='YYYY-MM-DD'\", \"Create Table Users (user_id int, membership varchar(30) NOT NULL CHECK ( membership in ('Standard', 'Premium', 'VIP')))\"], \"database\": true, \"name\": \"friday_purchases\", \"postgresql\": [\"CREATE TABLE Purchases (\\n user_id int,\\n purchase_date date,\\n amount_spend int\\n);\", \"SET datestyle = 'ISO, MDY'; \\n\", \"CREATE TABLE Users (\\n user_id int,\\n membership varchar(30) NOT NULL CHECK (membership IN ('Standard', 'Premium', 'VIP'))\\n);\"], \"pythondata\": [\"Purchases = pd.DataFrame([], columns=['user_id', 'purchase_date', 'amount_spend']).astype({'user_id':'Int64', 'purchase_date':'datetime64[ns]', 'amount_spend':'Int64'})\\n\", \"Users = pd.DataFrame([], columns=['user_id', 'membership']).astype({\\n 'user_id': 'Int64',\\n 'membership': pd.CategoricalDtype(categories=['Standard', 'Premium', 'VIP'])\\n})\"], \"database_schema\": {\"Purchases\": {\"user_id\": \"INT\", \"purchase_date\": \"DATE\", \"amount_spend\": \"INT\"}, \"Users\": {\"user_id\": \"INT\", \"membership\": \"ENUM('Standard', 'Premium', 'VIP')\"}}}", "judgerAvailable": true, "judgeType": "large", "mysqlSchemas": [ "Create Table if Not Exists Purchases( user_id int, purchase_date date, amount_spend int)", "Create Table if Not Exists Users (user_id int, membership enum('Standard', 'Premium', 'VIP'))", "Truncate table Purchases", "insert into Purchases (user_id, purchase_date, amount_spend) values ('11', '2023-11-03', '1126')", "insert into Purchases (user_id, purchase_date, amount_spend) values ('15', '2023-11-10', '7473')", "insert into Purchases (user_id, purchase_date, amount_spend) values ('17', '2023-11-17', '2414')", "insert into Purchases (user_id, purchase_date, amount_spend) values ('12', '2023-11-24', '9692')", "insert into Purchases (user_id, purchase_date, amount_spend) values ('8', '2023-11-24', '5117')", "insert into Purchases (user_id, purchase_date, amount_spend) values ('1', '2023-11-24', '5241')", "insert into Purchases (user_id, purchase_date, amount_spend) values ('10', '2023-11-22', '8266')", "insert into Purchases (user_id, purchase_date, amount_spend) values ('13', '2023-11-21', '12000')", "Truncate table Users", "insert into Users (user_id, membership) values ('11', 'Premium')", "insert into Users (user_id, membership) values ('15', 'VIP')", "insert into Users (user_id, membership) values ('17', 'Standard')", "insert into Users (user_id, membership) values ('12', 'VIP')", "insert into Users (user_id, membership) values ('8', 'Premium')", "insert into Users (user_id, membership) values ('1', 'VIP')", "insert into Users (user_id, membership) values ('10', 'Standard')", "insert into Users (user_id, membership) values ('13', 'Premium')" ], "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.

\"], \"pythondata\": [\"Pandas\", \"

Python 3.10 with Pandas 2.0.2 and NumPy 1.25.0

\"], \"postgresql\": [\"PostgreSQL\", \"

PostgreSQL 16

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