ORACLE 分頁查詢sql 小例

//通常的查詢sql

String sql="select a.id,a.reminddate,a.reminname from  t_remindsettings a where  a.status = 1  order by a.id DESC";

// 分頁sql加上(套用)通常查詢sql

String fenyeSql="select * from (select rownum rn, t1.* from ("+sql+") t1 where rownum <="+(pageNum*rowsPerPage)+" ) t2 where t2.rn>"+(pageNum-1)*rowsPerPage;

//進行dao層sql查詢