mysql 前几条记录语句之(limit)
MySql没有提供top方法。可是他有limit方法提供同样的功能。
SELECT * FROM `tfidf` order by weight desc limit 1, 10830
SELECT * FROM `tfidf` order by weight desc limit 10
SELECT * FROM `tfidf` order by weight desc limit 1, 10830
SELECT * FROM `tfidf` order by weight desc limit 10
