获取工作周或周数T-SQL

Question

如果我的日期范围是从下周五到周四，我如何获得确切的周数？ 我用过这段代码

datepart(wk,t.date) as workweek

但周数不同，可能因为我想要的格式是周五到周四的下周。我希望有人能回答。 TIA！

Answer 1

SET DATEFIRST 5; -- Set Friday as first day of the week
Select datepart(wk,t.date) -1 as workweek
From yourTable as t