Answer by Felipe Q. Giovanoni for How do I limit the number of rows returned by an Oracle query after ordering?

Less SELECT statements. Also, less performance consuming. Credits to: anibal@upf.br

SELECT *    FROM   (SELECT t.*,                   rownum AS rn            FROM   shhospede t) a    WHERE  a.rn >= in_first    AND    a.rn <= in_first;