//解锁
1.sqlplus /nolog
2.conn /as sysdba
3.alter user 用户名 identified by 密码;
ALTER PROFILE DEFAULT LIMIT PASSWORD_LIFE_TIME UNLIMITED;
//查询数据库密码是否到期
SELECT * FROM dba_profiles s WHERE s.profile='DEFAULT' AND resource_name='PASSWORD_LIFE_TIME';
//解锁
1.sqlplus /nolog
2.conn /as sysdba
3.alter user 用户名 identified by 密码;