报错啦！
错误号：1064
SQL错误状态：42000
错误信息：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 ')' at line 1
sql信息：select keyname,kid from keywords where kid in ()
报错啦！
错误号：1064
SQL错误状态：42000
错误信息：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 ')' at line 1
sql信息：select qid,title from kidqid where kid in ()
报错啦！
错误号：1064
SQL错误状态：42000
错误信息：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 ')' at line 1
sql信息：select keyname,kid from keywords where kid in ()
报错啦！
错误号：1064
SQL错误状态：42000
错误信息：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 ')' at line 1
sql信息：select qid,title from kidqid where kid in ()
报错啦！
错误号：1064
SQL错误状态：42000
错误信息：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 ')' at line 1
sql信息：select kid,keyname FROM keywords where kid in ()
在某个行业中，对同行业的其他企业具有很深的影响、号召力和一定的示范、引导作用，并对该地区、该行业或者国家做出突出贡献的企业，被称之为龙头企业。
一样的
农业产业化龙头企业的作用主要是给农民提供产供销一条龙服务
你说的是龙头企业吗？如果是这样的话就是一个行业的领军企业
就是某一领域，市场份额最高，技术最好的企业
龙头单位可作为当地的标杆企业，具有推广经验，扩大宣传，提高企业知名度形象等作用。