esto servirá:
SELECT CAST(Submitted AS DATE) AS [Submission Date]
, DATEPART(weekday, CAST(Submitted AS DATE)) AS [DayOfWeek]
, DATENAME(dw, CAST(Submitted AS DATE)) AS [DayOfWeekForm]
, count(*) AS [Submission Count]
, CASE
WHEN (DATEPART(weekday, CAST(Submitted AS DATE))) IN (
'1'
,'7'
)
THEN ('Weekend')
ELSE DATENAME(dw, CAST(Submitted AS DATE))
END AS [End Column]
, xyz_cnt._cnt AS [End Sub]
FROM dbo.xyz LEFT JOIN
(SELECT CASE DATEPART(weekday, CAST(Submitted AS DATE))
WHEN '1' THEN DATEADD(dd, -2, CAST(Submitted AS DATE))
WHEN '7' THEN DATEADD(dd, -1, CAST(Submitted AS DATE))
ELSE CAST(Submitted AS DATE) END AS [SubmitDate]
, count(*) AS _cnt
FROM dbo.xyz
GROUP BY
CASE DATEPART(weekday, CAST(Submitted AS DATE))
WHEN '1' THEN DATEADD(dd, -2, CAST(Submitted AS DATE))
WHEN '7' THEN DATEADD(dd, -1, CAST(Submitted AS DATE))
ELSE CAST(Submitted AS DATE) END ) AS xyz_cnt
ON CAST(xyz.Submitted AS DATE) = xyz_cnt.SubmitDate
WHERE CAST(Submitted AS DATE) BETWEEN '2012-09-01'
AND '2012-09-10'
GROUP BY CAST(Submitted AS DATE), xyz_cnt._cnt
ORDER BY CAST(Submitted AS DATE)
