Answers for "sql server week week standard"

sql server week number

datepart(wk, DateToParse)

sql server get week dates from week number

SELECT  
	DATEADD(DAY, 2 - DATEPART(WEEKDAY, GETDATE()), CAST(GETDATE() AS DATE)) [Week_Start_Date],  
	DATEADD(DAY, 8 - DATEPART(WEEKDAY, GETDATE()), CAST(GETDATE() AS DATE)) [Week_End_Date]