https://school.programmers.co.kr/learn/courses/30/lessons/131118
SELECT
I.REST_ID,
I.REST_NAME,
I.FOOD_TYPE,
I.FAVORITES,
I.ADDRESS,
ROUND(R.AVG_SCORE, 2) AS SCORE
FROM REST_INFO I
INNER JOIN
(
SELECT REST_ID, AVG(REVIEW_SCORE) AS AVG_SCORE
FROM REST_REVIEW
GROUP BY REST_ID
) R
ON I.REST_ID = R.REST_ID
WHERE I.ADDRESS LIKE '서울%'
ORDER BY
SCORE DESC,
I.FAVORITES DESC;