sql 时间范围查询条件

--一年内注册查询

select * from User where datediff(year,Createdate,getdate())=0


--一月内注册查询

select * from User where datediff(month,Createdate,getdate())=0


--一天内注册查询

select * from User where datediff(day,Createdate,getdate())=0



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