tg-me.com/sql_for_qa/89
Last Update:
Дана таблица orders
с колонками order_id
, customer_id
, order_date
, total_amount
. Какой из следующих SQL запросов вернет топ-3 месяца с наибольшим количеством заказов?
A) SELECT MONTH(order_date) AS month, SUM(total_amount) AS total_order_amount
B)
FROM orders
GROUP BY month
ORDER BY total_order_amount DESC
LIMIT 3;SELECT EXTRACT(MONTH FROM order_date) AS month, SUM(total_amount) AS total_order_amount
C)
FROM orders
GROUP BY month
ORDER BY total_order_amount DESC
LIMIT 3;SELECT DATE_TRUNC('month', order_date) AS month, SUM(total_amount) AS total_order_amount
D)
FROM orders
GROUP BY month
ORDER BY total_order_amount DESC
LIMIT 3;SELECT STRFTIME('%Y-%m', order_date) AS month, SUM(total_amount) AS total_order_amount
Ответить на вопрос можно ниже ⬇️
FROM orders
GROUP BY month
ORDER BY total_order_amount DESC
LIMIT 3;
BY SQL для тестировщика
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