好久没有升级我的MYSQL乐 没想到刚升级就出错 然后上网查了查 原来是这样子的 MySQL 4.1 and up uses an authentication protocol based on a password hashing algorithm that is incompatible with that used by older clients. ..... 请使用以下两种方法之一
其一:
mysql> SET PASSWORD FOR -> ''''some_user''''@''''some_host'''' = OLD_PASSWORD(''''newpwd'''');
其二:
mysql> UPDATE mysql.user SET Password = OLD_PASSWORD(''''newpwd'''') -> WHERE Host = ''''some_host'''' AND User = ''''some_user''''; mysql> FLUSH PRIVILEGES;