set nocount on
--建立测试环境并插入数据，并且表没有主键
create table test(id int ,name varchar(10))
insert into test select 999,'jinjazz'   
insert into test select 888,'csdn' 
insert into test select 999,'sqlserver'

--通过游标获取绝对行数
declare myCursor scroll  cursor for select * from  test
open myCursor
fetch  absolute  3  from  myCursor 
close myCursor
deallocate myCursor

--删除测试环境
drop table test
set nocount off
/*--
id          name
----------- ----------
999         sqlserver
--*/