14 lines (12 sloc) 273 Bytes Raw Blame. Should I use the datetime or timestamp data type in MySQL? The Overflow Blog The Overflow #22: The power of sharing. What is the best way to remove 100% of a software that is not yet installed? Preface. LeetCode Curated SQL 70 Top 100 Liked Questions Top Interview Questions ️ Top Amazon Questions ... 512: Game Play Analysis II . they're used to log you in. If a person is dressed up as non-human, and is killed by someone who sincerely believes the victim was not human, who is responsible? GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together. Horror movie of the 70s: WW2 German undead supersoldiers rise from ocean. What is the disadvantage of using impact sockets on a hand wrench? "Rubato sufficiently repeated turns into a feature of the rhythm." What does the circled 1 sign mean on Google maps next to "Tolls"? (Medium) Game Play Analysis IV. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. 512. can you show sample of your data and current output? View code About. Thanks for contributing an answer to Stack Overflow! Has anyone seriously considered a space-based time capsule? 569. My LeetCode Log . (Easy) Game Play Analysis II. (Hard) 员工薪水中位 … Why were there only 531 electoral votes in the US Presidential Election 2016? site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. How do I import an SQL file using the command line in MySQL? Companies Google 909 Amazon 850 Facebook 582 Microsoft 536 Apple 401 Bloomberg 380 Uber 325 Adobe 260 Oracle 240 eBay 134 ByteDance 133 LinkedIn 130 Goldman Sachs 126 Yahoo 116 VMware 101 Snapchat 93 Walmart Labs 81 Twitter 74 Paypal 70 Cisco 69 Salesforce 66 Atlassian 60 Airbnb 57 Expedia 57 Yandex 52 Citadel 51 Lyft 50 Wish 44 Mathworks 42 Qualtrics 41 Visa 41 SAP 39 … Learn more, We use analytics cookies to understand how you use our websites so we can make them better, e.g. What is the decisive point for classifying a certain speech as unacceptable? Contribute Question. Contribute to ddgope/Leetcode-sql development by creating an account on GitHub. I found that a method I was hoping to publish is already known. Try the second query with window function. It seems that the code had selected the correct earliest date that I wanted, but failed to correspond the device id that matches that specific date. 534. Sample data: {"headers":{"Activity":["player_id","device_id","event_date","games_played"]},"rows":{"Activity":[[1,2,"2016-03-01",5],[1,2,"2016-05-02",6],[1,3,"2015-06-25",1],[3,1,"2016-03-02",0],[3,4,"2016-02-03",5]]}}, Current output: {"headers": ["player_id", "device_id"], "values": [[1, 2], [3, 1]]}, Expected: {"headers": ["player_id", "device_id"], "values": [[1, 3], [3, 4]]}, How to write an effective developer resume: Advice from a hiring manager, Podcast 290: This computer science degree is brought to you by Big Tech, “Question closed” notifications experiment results and graduation, MAINTENANCE WARNING: Possible downtime early morning Dec 2/4/9 UTC (8:30PM…, Congratulations VonC for reaching a million reputation, MySQL Error 1093 - Can't specify target table for update in FROM clause. Modify your query as below to select player_id,device_id corresponding to minimum event_Date. Learn more, Cannot retrieve contributors at this time. 73.0%: ... LeetCode Curated Algo 170 LeetCode Curated SQL 70 Top 100 Liked Questions Retrieving the last record in each group - MySQL, Insert into a MySQL table or update if exists. Millions of developers and companies build, ship, and maintain their software on GitHub — the largest and most advanced development platform in the world. Why should I expect that black moves Rxd2 after I move Bxe3 in this puzzle? For more information, see our Privacy Statement. 550. I provided the answers as well as explanations in this blog, as a way to consolidate the SQL knowledge. How to get a list of user accounts using the command line in MySQL? GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together. How can I change a math symbol's size globally? I resolved all the database questions on Leetcode.com recently. Deno v1.0.0 released to solve Node.js design flaws. Please critique. Alternatively use window function as below. they're used to gather information about the pages you visit and how many clicks you need to accomplish a task. You signed in with another tab or window. All SQL problems have been solved. Learn more. Making statements based on opinion; back them up with references or personal experience. Drawing a RegionPlot from a Table of Values. Database. Why did mainframes have big conspicuous power-off buttons? We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. My LeetCode Log . How can I find the area of an overlayer structure? By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Why do internal forces not affect the conservation of momentum. Why is it that the congruence relations usually correspond to some type of subobject? ... 512_Game_Play_Analysis_II.sql . How to make my own professional book step-by-step( there is a course or a book that I didn't find?). Weekly Contest 216 Sunday, November 22nd 2:30am-4:00am local time Is it important for a ethical hacker to know the C language in depth nowadays? Stack Overflow for Teams is a private, secure spot for you and Have any other US presidents used that tiny table? LeetCode Curated Algo 170 LeetCode Curated SQL 70 Top 100 Liked Questions Top Interview Questions ️ Top Amazon Questions Top Facebook Questions ⛽ Top Google Questions Ⓜ️ Top Microsoft Questions. 55.9%: Easy: 577: Employee Bonus . I was doing this question LeetCode #512 The original code I wrote was: ... Browse other questions tagged mysql sql subquery min or ask your own question. Can someone tell me why this is happening and how to fix my code? 534_Game_Play_Analysis_III.sql.sql . Dismiss Join GitHub today. leetcode / sql / 512.-game-play-analysis-ii-jian-dan.md Go to file Go to file T; Go to line L; Copy path Cannot retrieve contributors at this time. (Easy) Game Play Analysis II. Can I concatenate multiple MySQL rows into one field? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. You can always update your selection by clicking Cookie Preferences at the bottom of the page. How do I connect to a MySQL Database in Python? (Medium) Game Play Analysis III. We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. 69.4%: Easy: 584: Find Customer Referee . 550_Game_Play_Analysis_IV.sql.sql . Thanks for the quick response, but it does not do the job. 512. What would be a proper way to retract emails sent to professors asking for help? your coworkers to find and share information. I was doing this question LeetCode #512 Algorithms. The questions cover most of the SQL common queries inlcuding JOIN, Ranking and other SQL basics. The original code I wrote was: My logic here is to firstly, filter out the minimal corresponding event date for each player. To learn more, see our tips on writing great answers. Contribute to ddgope/Leetcode-sql development by creating an account on GitHub. We use essential cookies to perform essential website functions, e.g. What is the proper etiquette with regards to reciprocating Thanksgiving dinner invitations? Asking for help, clarification, or responding to other answers. Show More . rev 2020.11.24.38066, Stack Overflow works best with JavaScript enabled, Where developers & technologists share private knowledge with coworkers, Programming & related technical career opportunities, Recruit tech talent & build your employer brand, Reach developers & technologists worldwide.