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Q&A about the site for students and teachers of all martial arts

SELECT COUNT(Average.AverageAge) From
(
SELECT AVG(UserAge.Age) AS AverageAge From 
  (SELECT DateDiff(year, CreationDate, Cast(GetDate()AS Date)) AS Age
  From Users
  ) AS UserAge
) AS Average

fork query

edited aug 10 22

created aug 10 22 anonymous