昨天:
dateadd(day,-1,getdate())
明天:
dateadd(day,+1,getdate())
本月的第一天:
select DATEADD(day,-day(getdate())+1,getdate())
上月的第一天:
SELECT DATEADD(mm,-1,(DATEADD(mm,DATEDIFF(mm,0,getdate()),0)))
上月:
select * from table where month(column)<month(getdate())-1
本月:
select * from table where month(column)<month(getdate())
去年:
select * from table where year(column)<year(getdate())-1
今年:
select * from table where year(column)<year(getdate())
(DATEADD(MM,DATEDIFF(MM,0,getdate()),0))