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プログラマーとプログラミングに熱心な人々のための質問と回答

select
  count(*) as count,
  count(distinct case when ViewCount >= 500 then Id end) as over500,
  count(distinct case when ViewCount >= 1000 then Id end) as over1k,
  max(ViewCount) as vcmax,
  avg(ViewCount) as vcavg
from Posts
where CreationDate >= '2015-02-01' and CreationDate < '2015-05-01'

fork query

edited may 25 15

created may 25 15 anonymous