查询10到20行的数据
select * from
(select rownum rn,a.* from (select * from tableName ) a
where rownum <=20
) where rn >= 10;
等价于下面的sql,不过一般使用上边的sql效率要高很多
select * from
(select rownum rn,a.* from (select * from tableName) a
)where rn between 10 AND 20;
参考:https://www.cnblogs.com/greatfish/p/6040862.html