Oracle PDB 계정접속 및 해제

# sqlplus "/as sysdba"
SQL> conn system/{password"@//localhost:1521/pdb1

# sqlplus system/{password"@//localhost:1521/pdb1

alter user {username} account unlock;

alter user {username} identified by {password};

ORA-28002: the password will expire within 7 days

select * from dba_profiles;
SELECT RESOURCE_NAME, LIMIT FROM DBA_PROFILES WHERE PROFILE = 'DEFAULT' AND RESOURCE_TYPE = 'PASSWORD';

ALTER PROFILE DEFAULT LIMIT PASSWORD_LIFE_TIME UNLIMITED;