create table t(id int,name varchar(50),inTime datetime);
insert into t values(1,'aa','2007-10-21')
insert into t values(2,'bb','2007-10-22')
insert into t values(3,'cc','2007-10-23')
insert into t values(4,'dd','2007-10-24')
insert into t values(5,'ee','2007-10-25')
insert into t values(6,'ff','2007-10-26')
insert into t values(7,'gg','2007-10-27')
insert into t values(8,'hh','2007-10-28')
insert into t values(9,'ii','2007-10-29')
insert into t values(10,'jj','2007-10-30')
select * from t
where (getdate()-intime)<7