declare @tb table(id int,cName char(10))
insert into @tb
select 3,'aae' UNION ALL
select 5,'aBe' UNION ALL
select 6,'a89' UNION ALL
select 7,'b89' UNION ALL
select 10,'a22' UNION ALL
select 12,'B87' UNION ALL
select 13,'BHU' UNION ALL
select 14,'B22' UNION ALL
select 15,'aKI' UNION ALL
select 17,'a09'
--設id=7,找出與7最相近的四條記錄:5,6,7,10
--------------------------------------------------------
select top 4 * from @tb order by abs(7-id)
/*
id cName
----------- ----------
7 b89
6 a89
5 aBe
10 a22
（所影響的行數爲 4 行）
*/