Решение к #Задача7: SELECT c.name AS category_name, p. | SQL задачи

Решение к #Задача7:

SELECT c.name AS category_name,
p.name as product_name,
pp.price
FROM product_price pp
JOIN product p
ON p.product_id = pp.product_id
JOIN category c
ON c.category_id = p.category_id
WHERE pp.price = (SELECT max (ppm.price)
FROM product pm
JOIN product_price ppm
ON ppm.product_id = pm.product_id
WHERE pm.category_id = p.category_id)
ORDER BY c.name, p.name

#задача