J jszikun Unregistered / Unconfirmed GUEST, unregistred user! 2003-10-16 #1 如何在读取数据库的时候去掉相同的记录,并且求出数据库记录数
B blue_prince Unregistered / Unconfirmed GUEST, unregistred user! 2003-10-16 #2 select distinct(*) from tablename; select count(*) from tablename;