MySQL中如何实现Top N及M至N段的记录查询？_MySQL
MySQL查询
在MySQL中，如何实现Top N及M至N段的记录查询？
我们可以利用MySQL中SELECT支持的一个子句——LIMIT——来完成这项功能。
LIMIT可以实现top N查询，也可以实现M至N（某一段）的记录查询，具体语法如下：
SELECT * FROM MYTABLE
ORDER BY AFIELD
LIMIT offset, recnum
其中offset为从第几条（M 1）记录开始，recnum为返回的记录条数。例：
select * from mytable
order by afield
limit 2, 5
即意为从第3条记录开始的5条记录。
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