如何在sql查询中获取周格式字符串

我有以下SQL查询（SQL server 2008）：

结果是一个包含以下数据的表格：

我不想显示周数而想显示如下格式的周：

MM/dd

其中MM=月，dd是一周开始的日期

如果我能从一周的第一天开始，然后是中间斜杠，然后是该周的最后一天，最后是这个月，那将是非常棒的：例如：11-17/04（4月11日至17日），等等

这是我想要的最后一张表：

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有什么线索吗？

如果有人需要它，只要找到一个解决方案，也许不是最好的，但很有效

SELECT sum(data.freq) as freq,
data.week as week, CAST(data.weekstart as varchar) + '-' + CAST(data.weekend as varchar) + '/' + CAST(data.monthend as varchar) as formatweek
FROM (
SELECT 
count(daterequested) as freq,
datepart(wk,daterequested) as week,
DATEPART(dd,DATEADD(dd, -(DATEPART(dw, daterequested)-1), daterequested)) weekstart,
DATEPART(dd,DATEADD(dd, 7-(DATEPART(dw, daterequested)), daterequested)) weekend,
DATEPART(mm,DATEADD(dd, 7-(DATEPART(dw, daterequested)), daterequested)) monthend,
daterequested 
FROM requestma
JOIN contracts mc ON (mc.uid= ma.uid)
JOIN groups og ON og.groupuid = mc.groupuid
JOIN member m ON (m.memberuid = mc.memberuid)
WHERE daterequested BETWEEN 
DATEADD(MONTH,-1,GETDATE())
AND
GETDATE()
AND isdeleted = 0
GROUP BY datepart(wk,daterequested),daterequested
--ORDER BY daterequested ASC
) data
GROUP BY data.week,data.weekstart,data.weekend,data.monthend

由于datapart（wk，adate）返回一年中的一周，因此当您有多年数据时，您的group by可能不会返回预期结果。

SELECT sum(data.freq) as freq,
data.week as week, CAST(data.weekstart as varchar) + '-' + CAST(data.weekend as varchar) + '/' + CAST(data.monthend as varchar) as formatweek
FROM (
SELECT 
count(daterequested) as freq,
datepart(wk,daterequested) as week,
DATEPART(dd,DATEADD(dd, -(DATEPART(dw, daterequested)-1), daterequested)) weekstart,
DATEPART(dd,DATEADD(dd, 7-(DATEPART(dw, daterequested)), daterequested)) weekend,
DATEPART(mm,DATEADD(dd, 7-(DATEPART(dw, daterequested)), daterequested)) monthend,
daterequested 
FROM requestma
JOIN contracts mc ON (mc.uid= ma.uid)
JOIN groups og ON og.groupuid = mc.groupuid
JOIN member m ON (m.memberuid = mc.memberuid)
WHERE daterequested BETWEEN 
DATEADD(MONTH,-1,GETDATE())
AND
GETDATE()
AND isdeleted = 0
GROUP BY datepart(wk,daterequested),daterequested
--ORDER BY daterequested ASC
) data
GROUP BY data.week,data.weekstart,data.weekend,data.monthend