sqlserver查询一段时间内的数据

查询当天数据
下面例子中表名为tablename,条件字段名为inputdate
查询今天

SELECT * FROM tablename where DATEDIFF(day,inputdate,GETDATE())=0
查询昨天

SELECT * FROM tablename where DATEDIFF(day,inputdate,GETDATE())=1
查询本周

SELECT * FROM tablename where datediff(week,inputdate,getdate())=0
查询上周

SELECT * FROM tablename where datediff(week,inputdate,getdate())=1
查询本月

SELECT * FROM tablename where DATEDIFF(month,inputdate,GETDATE())=0
查询上月

SELECT * FROM tablename where DATEDIFF(month,inputdate,GETDATE())=1