1. 程式人生 > >Everything is meaningness

Everything is meaningness

1.時間查詢

Table name : Table

Filed: UserDate

Data: 2008-1-17 22:10:02

時間段查詢 select top 4 * from Table where

UserDate between '2008-1-17 22:10:02' and '2008-1-17 22:10:02'

時間點查詢 select * from Table where UserDate='2008-1-17 22:10:02'

模糊查詢 select  *   from   Table   where   Convert(Varchar(10),UserDate,120)   like   '2008-1-%'

select  *   from   Table   where   Convert(Varchar(23),UserDate,120)   like   '2008-1-17 15:%' 

select  *   from   Table   where   Convert(Varchar(23),UserDate,120)   like   '2008-1-17 %46:%'

access:用#代替上面的'

2.時間的比較

Select * From Table Where DateDiff(s,GetDate(),UserDate)>0

這個更快一點 Select * From Table Where UserDate>GetDate()

access: Select * From Table Where thetime>#"& Now() &"#