How to get week number of the month from the date in sql server 2008

Question

In SQL Statement in microsoft sql server, there is a built-in function to get week number but it is the week of the year.

Select DatePart(week, \'2012/11/30\         


        

Answer 1

A dirty but easy one liner using Dense_Rank function. Performance WILL suffer, but effective none the less.

DENSE_RANK()over(Partition by Month(yourdate),Year(yourdate) Order by Datepart(week,yourdate) asc) as Week