安装完>11g的库记得调整
alter profile default limit failed_login_attempts unlimited;
alter profile default limit password_life_time unlimited;
--select * from dba_profiles WHERE dba_profiles.profile='DEFAULT';--确认有几种profile,
--select * from dba_users order by created desc;
修改后,还没有被提示ORA-28002警告的帐户不会再碰到同样的提示,已经被提示的帐户必须再改一次密码,
alter user 用户 identified by 密码 account unlock;