求一条sql语句，成功了，马上给分谢谢

旧的sql语句：sqlstr = "select download.*,dlcate.catetitle from download inner join dlcate on download.cateid=dlcate.id"

如上所示有俩表，现在又多了一个表download_dx，求将新增的这个表也查询出来，表download_dx和表download数据结构一模一样，求高手谢谢啦

用的是SQL server2008谢谢