oracle、sql server、mysql分页

sql server方案1：
SELECT top 10 * FROM t WHERE id NOT IN ( SELECT top 30 id FROM t ORDER BY id ) ORDER BY id;
sql server方案2：
SELECT top 10 * FROM t where id in( SELECT top 40 * FROM t ORDER BY id) ORDER BY id DESC;
说明一下，这里这条没有按从小到大排列，但是你可以在外面再排序一下。

mysql方案：
SELECT * FROM student WHERE id LIMIT 2,3
注意：2是从哪里开始，3代表是好多条

oracle方案：
SELECT * FROM (SELECT rownum r,* FROM t WHERE r <=40) t2 WHERE t2.r >30

如果要排序
SELECT * FROM (SELECT rownum r,* FROM (SELECT * FROM t WHERE ORDER BY id DESC) t1 WHERE t1.r <=40) t2 WHERE t2.r >30