篮球赛抽签系统，先输入球队数，由随机函数在1-N抽取一个数，作为初始密码，出列第一支球队，然后根据各队输入本队密码，利用joseph环，使每次出列的球队密码作为新的密码，直到所有球队出列，即可确定分组顺序-Basketball lottery system, first enter the team number by the random function in the 1-N taken a number, as the initial password, the first teams o

vc写的ado连接access数据库，用sql语句实现对数据库的增加，删除，修改，查找，随机抽取-vc wrote ado connection access database using sql statement to the database to add, delete, modify, search, randomly selected