{ "data": { "question": { "questionId": "597", "questionFrontendId": "597", "categoryTitle": "Database", "boundTopicId": 2641, "title": "Friend Requests I: Overall Acceptance Rate", "titleSlug": "friend-requests-i-overall-acceptance-rate", "content": null, "translatedTitle": "好友申请 I:总体通过率", "translatedContent": null, "isPaidOnly": true, "difficulty": "Easy", "likes": 100, "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\": \"19.8K\", \"totalSubmission\": \"46.2K\", \"totalAcceptedRaw\": 19839, \"totalSubmissionRaw\": 46184, \"acRate\": \"43.0%\"}", "hints": [ "Still remember how to count the number of rows in a table?", "What is the keyword to filter the duplicated records in a table?" ], "solution": null, "status": null, "sampleTestCase": "{\"headers\":{\"FriendRequest\":[\"sender_id\",\"send_to_id\",\"request_date\"],\"RequestAccepted\":[\"requester_id\",\"accepter_id\",\"accept_date\"]},\"rows\":{\"FriendRequest\":[[1,2,\"2016/06/01\"],[1,3,\"2016/06/01\"],[1,4,\"2016/06/01\"],[2,3,\"2016/06/02\"],[3,4,\"2016/06/09\"]],\"RequestAccepted\":[[1,2,\"2016/06/03\"],[1,3,\"2016/06/08\"],[2,3,\"2016/06/08\"],[3,4,\"2016/06/09\"],[3,4,\"2016/06/10\"]]}}", "metaData": "{\"mysql\":[\"Create table If Not Exists FriendRequest (sender_id int, send_to_id int, request_date date)\",\"Create table If Not Exists RequestAccepted (requester_id int, accepter_id int, accept_date date)\"],\"mssql\":[\"Create table FriendRequest (sender_id int, send_to_id int, request_date date)\",\"Create table RequestAccepted (requester_id int, accepter_id int, accept_date date)\"],\"oraclesql\":[\"Create table FriendRequest (sender_id int, send_to_id int, request_date date)\",\"Create table RequestAccepted (requester_id int, accepter_id int, accept_date date)\",\"Alter SESSION set NLS_DATE_FORMAT = 'YYYY\\/MM\\/DD'\"],\"database\":true,\"name\":\"acceptance_rate\",\"pythondata\":[\"FriendRequest = pd.DataFrame([], columns=['sender_id', 'send_to_id', 'request_date']).astype({'sender_id':'Int64', 'send_to_id':'Int64', 'request_date':'datetime64[ns]'})\",\"RequestAccepted = pd.DataFrame([], columns=['requester_id', 'accepter_id', 'accept_date']).astype({'requester_id':'Int64', 'accepter_id':'Int64', 'accept_date':'datetime64[ns]'})\"],\"postgresql\":[\"Create table If Not Exists FriendRequest (sender_id int, send_to_id int, request_date date)\",\"Create table If Not Exists RequestAccepted (requester_id int, accepter_id int, accept_date date)\"],\"database_schema\":{\"FriendRequest\":{\"sender_id\":\"INT\",\"send_to_id\":\"INT\",\"request_date\":\"DATE\"},\"RequestAccepted\":{\"requester_id\":\"INT\",\"accepter_id\":\"INT\",\"accept_date\":\"DATE\"}}}", "judgerAvailable": true, "judgeType": "large", "mysqlSchemas": [ "Create table If Not Exists FriendRequest (sender_id int, send_to_id int, request_date date)", "Create table If Not Exists RequestAccepted (requester_id int, accepter_id int, accept_date date)", "Truncate table FriendRequest", "insert into FriendRequest (sender_id, send_to_id, request_date) values ('1', '2', '2016/06/01')", "insert into FriendRequest (sender_id, send_to_id, request_date) values ('1', '3', '2016/06/01')", "insert into FriendRequest (sender_id, send_to_id, request_date) values ('1', '4', '2016/06/01')", "insert into FriendRequest (sender_id, send_to_id, request_date) values ('2', '3', '2016/06/02')", "insert into FriendRequest (sender_id, send_to_id, request_date) values ('3', '4', '2016/06/09')", "Truncate table RequestAccepted", "insert into RequestAccepted (requester_id, accepter_id, accept_date) values ('1', '2', '2016/06/03')", "insert into RequestAccepted (requester_id, accepter_id, accept_date) values ('1', '3', '2016/06/08')", "insert into RequestAccepted (requester_id, accepter_id, accept_date) values ('2', '3', '2016/06/08')", "insert into RequestAccepted (requester_id, accepter_id, accept_date) values ('3', '4', '2016/06/09')", "insert into RequestAccepted (requester_id, accepter_id, accept_date) values ('3', '4', '2016/06/10')" ], "enableRunCode": true, "envInfo": "{\"mysql\":[\"MySQL\",\"
\\u7248\\u672c\\uff1a mssql server 2019.<\\/p>\"],\"oraclesql\":[\"Oracle\",\" Oracle Sql 11.2.<\\/p>\"],\"pythondata\":[\"Pandas\",\" Python 3.10 with Pandas 2.0.2 and NumPy 1.25.0<\\/p>\"],\"postgresql\":[\"PostgreSQL\",\" PostgreSQL 16<\\/p>\"]}",
"book": null,
"isSubscribed": false,
"isDailyQuestion": false,
"dailyRecordStatus": null,
"editorType": "CKEDITOR",
"ugcQuestionId": null,
"style": "LEETCODE",
"exampleTestcases": "{\"headers\":{\"FriendRequest\":[\"sender_id\",\"send_to_id\",\"request_date\"],\"RequestAccepted\":[\"requester_id\",\"accepter_id\",\"accept_date\"]},\"rows\":{\"FriendRequest\":[[1,2,\"2016/06/01\"],[1,3,\"2016/06/01\"],[1,4,\"2016/06/01\"],[2,3,\"2016/06/02\"],[3,4,\"2016/06/09\"]],\"RequestAccepted\":[[1,2,\"2016/06/03\"],[1,3,\"2016/06/08\"],[2,3,\"2016/06/08\"],[3,4,\"2016/06/09\"],[3,4,\"2016/06/10\"]]}}",
"__typename": "QuestionNode"
}
}
}MySQL 8.0<\\/code><\\/p>\"],\"mssql\":[\"MS SQL Server\",\"