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Show the percentage of new questions and answers on each day of the week (UTC).

Q&A for anime and manga fans

-- Posts by day of the week (percentage)
-- Show the percentage of new questions and answers on each day of the week (UTC).
SET DATEFIRST 1

SELECT
    Min(pt.Name) As [Type],
    Round(Sum(CASE DatePart(Weekday, p.CreationDate) WHEN 1 THEN 100.0 ELSE 0 END) / Count(*), 2) As [Monday],
    Round(Sum(CASE DatePart(Weekday, p.CreationDate) WHEN 2 THEN 100.0 ELSE 0 END) / Count(*), 2) As [Tuesday],
    Round(Sum(CASE DatePart(Weekday, p.CreationDate) WHEN 3 THEN 100.0 ELSE 0 END) / Count(*), 2) As [Wednesday],
    Round(Sum(CASE DatePart(Weekday, p.CreationDate) WHEN 4 THEN 100.0 ELSE 0 END) / Count(*), 2) As [Thursday],
    Round(Sum(CASE DatePart(Weekday, p.CreationDate) WHEN 5 THEN 100.0 ELSE 0 END) / Count(*), 2) As [Friday],
    Round(Sum(CASE DatePart(Weekday, p.CreationDate) WHEN 6 THEN 100.0 ELSE 0 END) / Count(*), 2) As [Saturday],
    Round(Sum(CASE DatePart(Weekday, p.CreationDate) WHEN 7 THEN 100.0 ELSE 0 END) / Count(*), 2) As [Sunday]
FROM Posts p
INNER JOIN PostTypes pt
  ON pt.Id = p.PostTypeId
GROUP BY p.PostTypeId
ORDER BY p.PostTypeId

fork query

created jun 5 11 Gilles