update 时间表 set year=year(day),week=datepart(wk,day),quarter=datepart(qq,day)
DATEPART ( datepart , date ) datepart: 日期部分 缩写 year yy, yyyy quarter qq, q month mm, m dayofyear dy, y day dd, d week wk, ww weekday dw Hour hh minute mi, n second ss, s millisecond ms
update 时间表 set year=year(day),week=datepart(wk,day),quarter=datepart(qq,day)
日期部分 缩写
year yy, yyyy
quarter qq, q
month mm, m
dayofyear dy, y
day dd, d
week wk, ww
weekday dw
Hour hh
minute mi, n
second ss, s
millisecond ms