>>Script Language and Platform: SQL Server 2000
For a given year and week, this function will return the date of the first day of that week.
select dbo.udf_mondayofaweek(1,2001) --results 2001-01-01 00:00:00.000 select dbo.udf_mondayofaweek(22,2003) --results 2003-05-26 00:00:00.000
set datefirst 1 go Create function dbo.udf_Mondayofaweek( @week int, @year varchar(4)) returns datetime as begin declare @date varchar(10) declare @firstdayofweek datetime set @date='01/01/'+@year set @date =convert(varchar(10),convert(datetime,@date) - (datepart(dw,@date)-1),101) set @firstdayofweek =dateadd(ww,@week-1,@date) return @firstdayofweek end go
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