我收到錯誤#1060 - 重複列名'pizzeria',我不知道如何解決它。我無法弄清楚如何解決mySQL查詢中的錯誤
現在的問題是: 找到供應最便宜的意大利辣香腸披薩的比薩餅店。在關係的情況下,返回所有最便宜的辣香腸比薩店。
SELECT C.pizzeria
FROM (SELECT pizzeria FROM Serves WHERE pizza="pepperoni") C
LEFT JOIN
(SELECT A.pizzeria, A.price, B.pizzeria, B.price
FROM Serves A, Serves B
WHERE A.pizza = "pepperoni" and B.pizza="pepperoni" and A.price>B.price) D
ON C.pizzeria = D.pizzeria
WHERE D.pizzeria is NULL