Select * from student Where DateDiff(dd,rx_datetime,GetDate())=0--本日 Select * from student Where DateDiff(wk,rx_datetime,GetDate())=0--本周 Select * from student Where DateDiff(mm,rx_datetime,GetDate())=0--本月 Select * from student Where DateDiff(yy,rx_datetime,GetDate())=0--本年 |