ORACLE密码设置

默认安装时，Oracle密码180天后会过期。

查看密码的有效期设置

SELECT * FROM dba_profiles WHERE profile='DEFAULT' AND resource_name='PASSWORD_LIFE_TIME';

更改密码有效期

ALTER PROFILE DEFAULT LIMIT PASSWORD_LIFE_TIME UNLIMITED ;

此时已过期的密码仍需要重先设定，为避免更改密码造成软件连接失败，或将密码更改错误，使用用户登陆的命令，用原始用户名及密码进行登陆，登陆成功后再进行密码更改。

sqlplus / as sysdba

connect spaceuser/spaceuser

alter user x3dpassadmin identified by x3dpassadmin;
alter user x3dpasstokens identified by x3dpasstokens;
alter user x3ddashadmin identified by x3ddashadmin;
alter user x3ddashadmin identified by x3ddashadmin;
alter user spaceuser identified by spaceuser;