Database: codebase_community
Question: Calculate the difference in view count from post posted by Mornington and view count from posts posted by Amos.
SQL: SELECT SUM(IIF(T1.DisplayName = 'Mornington', T3.ViewCount, 0)) - SUM(IIF(T1.DisplayName = 'Amos', T3.ViewCount, 0)) AS diff FROM users AS T1 INNER JOIN postHistory AS T2 ON T1.Id = T2.UserId INNER JOIN posts AS T3 ON T3.Id = T2.PostId