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SELECT Users. AccountId, Users.DisplayName, Users.Location, AVG (PostAuth. AnswersCount) as AverageAnswersCount FROM SELECT AnsCount. AnswersCount, Posts. Id, Posts.OwnerUserId FROM ( SELECT Posts.ParentId, COUNT(*) AS AnswersCount FROM Posts WHERE Posts.PostTypeId = 2 GROUP BY Posts.ParentId ) AS AnsCount JOIN Posts ON Posts.Id = AnsCount.ParentId ) AS PostAuth JOIN Users ON Users.AccountId=PostAuth.OwnerUserId GROUP BY OwnerUserId ORDER BY AverageAnswersCount DESC LIMIT 10

SELECT Users. AccountId, Users.DisplayName, Users.Location, AVG (PostAuth. AnswersCount) as AverageAnswersCount FROM SELECT AnsCount. AnswersCount, Posts. Id, Posts.OwnerUserId FROM ( SELECT Posts.ParentId, COUNT(*) AS AnswersCount FROM Posts WHERE Posts.PostTypeId = 2 GROUP BY Posts.ParentId ) AS AnsCount JOIN Posts ON Posts.Id = AnsCount.ParentId ) AS PostAuth JOIN Users ON Users.AccountId=PostAuth.OwnerUserId GROUP BY OwnerUserId ORDER BY AverageAnswersCount DESC LIMIT 10

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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solve with pandas SELECT Users.AccountId, Users. DisplayName, Users.Location, AVG(PostAuth.AnswersCount) as AverageAnswersCount FROM SELECT AnsCount. AnswersCount, Posts. Id, Posts.OwnerUserId FROM ( SELECT Posts.ParentId, COUNT(+) AS AnswersCount FROM Posts WHERE Posts.PostTypeId = 2 GROUP BY Posts.ParentId ) AS AnsCount JOIN Posts ON Posts. Id = AnsCount.ParentId ) AS PostAuth JOIN Users ON Users.AccountId=PostAuth.OwnerUserId GROUP BY OwnerUserId ORDER BY AverageAnswersCount DESC LIMIT 10
Transcribed Image Text:solve with pandas SELECT Users.AccountId, Users. DisplayName, Users.Location, AVG(PostAuth.AnswersCount) as AverageAnswersCount FROM SELECT AnsCount. AnswersCount, Posts. Id, Posts.OwnerUserId FROM ( SELECT Posts.ParentId, COUNT(+) AS AnswersCount FROM Posts WHERE Posts.PostTypeId = 2 GROUP BY Posts.ParentId ) AS AnsCount JOIN Posts ON Posts. Id = AnsCount.ParentId ) AS PostAuth JOIN Users ON Users.AccountId=PostAuth.OwnerUserId GROUP BY OwnerUserId ORDER BY AverageAnswersCount DESC LIMIT 10
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