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Q&A for students, teachers, polyglots, and anyone interested in the techniques of second-language acquisition

/* How many views per question appears in a given week
For instance, is SE more active during the Christmas–NY season
or the community do something else?
*/

DECLARE @All int = ##All:int?1##
DECLARE @UsedId int = ##UserId:int##

;WITH UsersSample AS
(
  SELECT u.Id
  FROM Users u tablesample(1 percent)
  )
  SELECT p.PostTypeId, p.OwnerUserId,
  COUNT(*) as n
FROM Posts p
RIGHT OUTER JOIN UsersSample u ON u.Id = p.OwnerUserId
WHERE p.OwnerUserId = CASE WHEN @All = 1 THEN p.OwnerUserId ELSE @UsedId END
  AND p.OwnerUserId > 0
GROUP BY p.OwnerUserId, p.PostTypeId
ORDER BY p.OwnerUserId, p.PostTypeId

view current version

edited jan 2 14

created dec 21 13 Anton.