SQL DATEPART(dw,date) need monday = 1 and sunday = 7

Question

I have a Query where I get the WeekDay of a date but by default:

• Sunday = 1

• Moday = 2

• etc.

Answer 1

I think this could work:

  select
    case when datepart(dw,[Date]) = 1 then 7 else DATEPART(DW,[Date])-1 end as WeekDay