What is the proper etiquette with regards to reciprocating Thanksgiving dinner invitations? I provided the answers as well as explanations in this blog, as a way to consolidate the SQL knowledge. 534. We use essential cookies to perform essential website functions, e.g. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. What would be a proper way to retract emails sent to professors asking for help? Asking for help, clarification, or responding to other answers. 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. Millions of developers and companies build, ship, and maintain their software on GitHub — the largest and most advanced development platform in the world. How do I import an SQL file using the command line in MySQL? 550. Database. Can someone tell me why this is happening and how to fix my code? Why were there only 531 electoral votes in the US Presidential Election 2016? 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. We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. 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. How do I connect to a MySQL Database in Python? GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together. Should I use the datetime or timestamp data type in MySQL? LeetCode Curated SQL 70 Top 100 Liked Questions Top Interview Questions ️ Top Amazon Questions ... 512: Game Play Analysis II . Alternatively use window function as below. 569. Try the second query with window function. your coworkers to find and share information. Contribute Question. Learn more. Preface. 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. ... 512_Game_Play_Analysis_II.sql . All SQL problems have been solved. Is it important for a ethical hacker to know the C language in depth nowadays? What is the decisive point for classifying a certain speech as unacceptable? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. (Medium) Game Play Analysis III. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. 512. (Medium) Game Play Analysis IV. 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. I was doing this question LeetCode #512 You signed in with another tab or window. 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? Have any other US presidents used that tiny table? What does the circled 1 sign mean on Google maps next to "Tolls"? Please critique. Can I concatenate multiple MySQL rows into one field? (Easy) Game Play Analysis II. 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. How to make my own professional book step-by-step( there is a course or a book that I didn't find?). Has anyone seriously considered a space-based time capsule? What is the best way to remove 100% of a software that is not yet installed? How can I change a math symbol's size globally? Retrieving the last record in each group - MySQL, Insert into a MySQL table or update if exists. 534_Game_Play_Analysis_III.sql.sql . (Hard) 员工薪水中位 … For more information, see our Privacy Statement. The Overflow Blog The Overflow #22: The power of sharing. We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. I found that a method I was hoping to publish is already known. I resolved all the database questions on Leetcode.com recently. Modify your query as below to select player_id,device_id corresponding to minimum event_Date. Horror movie of the 70s: WW2 German undead supersoldiers rise from ocean. Why should I expect that black moves Rxd2 after I move Bxe3 in this puzzle? Learn more, We use analytics cookies to understand how you use our websites so we can make them better, e.g. "Rubato sufficiently repeated turns into a feature of the rhythm." 69.4%: Easy: 584: Find Customer Referee .