如何把日期变为英文的星期几

Question

比如说把2012-01-05变为英文的星期几

Answer 1

1.可以更改语言设置
SET LANGUAGE us_english2.也可以通过datepart(weekday,getdate()),然后用case when 

Answer 2

select case when datepart(weekday,getdate()) = 1 then 'SUN'
            when datepart(weekday,getdate()) = 2 then 'MON'
            when datepart(weekday,getdate()) = 3 then 'TUE'
            when datepart(weekday,getdate()) = 4 then 'WED'
            when datepart(weekday,getdate()) = 5 then 'THU'
            when datepart(weekday,getdate()) = 6 then 'FRI'
            when datepart(weekday,getdate()) = 7 then 'SAT'
       end