```SQL
-- 테이블 용량 산정
SELECT TABLE_NAME, SUM(DATA_LENGTH)
FROM ALL_TAB_COLUMNS
WHERE TABLE_NAME = 'SACP_OBJECT_FILE'
GROUP BY TABLE_NAME ;

SELECT TO_NUMBER(:arExpRos) FROM dual

-- 예상 적재 용량
SELECT TABLE_NAME
, ( SUM(DATA_LENGTH) * :arExpRos /1024 )  as kb_a1day
FROM ALL_TAB_COLUMNS
WHERE TABLE_NAME = 'SACP_AC'
GROUP BY TABLE_NAME
```