Скрипт переноса пользователя

set head off
set pages 0
set long 9999999
spool user_script.sql
SELECT DBMS_METADATA.GET_DDL('USER', USERNAME) || '/' DDL
FROM DBA_USERS
UNION ALL
SELECT DBMS_METADATA.GET_GRANTED_DDL('ROLE_GRANT', USERNAME) || '/' DDL
FROM DBA_USERS
UNION ALL
SELECT DBMS_METADATA.GET_GRANTED_DDL('SYSTEM_GRANT', USERNAME) || '/' DDL
FROM DBA_USERS
UNION ALL
SELECT DBMS_METADATA.GET_GRANTED_DDL('OBJECT_GRANT', USERNAME) || '/' DDL
FROM DBA_USERS;
spool off;