ORA-01918: user 'HR' does not exist.

--Снять блокировку с пользователя HR
ALTER USER hr ACCOUNT UNLOCK;
 
--Установить пароль «HR» для пользователя hr
ALTER USER HR IDENTIFIED BY HR;


ALTER TABLE HR.COUNTRIES ADD LOCAL_NAME NVARCHAR2(200);
UPDATE HR.COUNTRIES SET LOCAL_NAME=N'مصر' WHERE country_id='EG';
UPDATE HR.COUNTRIES SET LOCAL_NAME=N'ישראל' WHERE country_id='IL';
UPDATE HR.COUNTRIES SET LOCAL_NAME=N'Deutschland' WHERE country_id='DE';
UPDATE HR.COUNTRIES SET LOCAL_NAME=N'France' WHERE country_id='FR';
UPDATE HR.COUNTRIES SET LOCAL_NAME=N'中國' WHERE country_id='CN';
UPDATE HR.COUNTRIES SET LOCAL_NAME=N'Nederland' WHERE country_id='NL';
UPDATE HR.COUNTRIES SET LOCAL_NAME=N'日本' WHERE country_id='JP';
INSERT INTO HR.COUNTRIES VALUES ('RU', 'Russia', 1, N'Россия');
--
commit;