DATEDIFF ( datepart , startdate , enddate )
釋義:計算時間差
datepare值:year | quarter | month | week | day | hour | minute | second | millisecond
startdate:開始日期
enddate :結束日期
GetDate()
釋義:獲取當前的系統日期
下面例子中表名爲tablename,條件字段名爲inputdate
查詢今天
SELECT * FROM tablename where DATEDIFF(day,inputdate,GETDATE())=0
查詢昨天
SELECT * FROM tablename where DATEDIFF(day,inputdate,GETDATE())=1
查詢本週
SELECT * FROM tablename where datediff(week,inputdate,getdate())=0
查詢上週
SELECT * FROM tablename where datediff(week,inputdate,getdate())=1
查詢本月
SELECT * FROM tablename where DATEDIFF(month,inputdate,GETDATE())=0
查詢上月
SELECT * FROM tablename where DATEDIFF(month,inputdate,GETDATE())=1
加一個自己補充。 如果是等於 -1 那麼就是查詢明天 、下週、下月的數據。
轉載地址:http://www.devdo.net/sql-server-query-date.html