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📜  客户做了多少订单数据库python代码示例

📅  最后修改于: 2022-03-11 14:45:50.592000             🧑  作者: Mango

代码示例1
SELECT customers_firstname, customers_lastname,
COUNT(orders_id) AS Number
FROM customers LEFT JOIN orders AS o
USING (customers_id) GROUP BY (o.customers_id)
ORDER BY Number DESC LIMIT 5;