select fkkd_article_id,fkkd_article_title,fkkd_article_category_id,fkkd_article_category_name from fkkd_article,fkkd_article_category where fkkd_article.fkkd_article_category=fkkd_article_category.fkkd_article_category_id and fkkd_article_category=11 order by fkkd_article_id desc LIMIT -15,15<br />执行错误: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-15,15' at line 1