self study/Database
[programmers] 과일로 만든 아이스크림 고르기
yeoonii
2023. 8. 11. 00:04
SELECT ICECREAM_INFO.FLAVOR
FROM FIRST_HALF, ICECREAM_INFO
INNER JOIN ICECREAM_INFO
ON FIRST_HALF.FLAVOR = ICECREAM_INFO.FLAVOR
WHERE FIRST_HALF.TOTAL_ORDER > 3000 AND ICECREAM_INFO.INGREDIENT_TYPE = 'fruit_based'
ORDER BY FIRST_HALF.TOTAL_ORDER DESC;
틀렸다.
SQL 실행 중 오류가 발생하였습니다. Not unique table/alias: 'ICECREAM_INFO'
SELECT FIRST_HALF.FLAVOR
FROM FIRST_HALF
LEFT JOIN ICECREAM_INFO
ON FIRST_HALF.FLAVOR = ICECREAM_INFO.FLAVOR
WHERE TOTAL_ORDER > 3000 AND INGREDIENT_TYPE = 'fruit_based'
ORDER BY TOTAL_ORDER DESC;