代码打字 · SQL
Window Function
Rank orders by total within each customer.
难度: 高级 · 10 行 · 许可: public-domain
SELECT
order_id,
customer_id,
total,
RANK() OVER (
PARTITION BY customer_id
ORDER BY total DESC
) AS rank_in_customer
FROM orders
时间0:00
速度 (WPM)0.0
准确率100.0%
错误0
实时键盘
下一个键: S | 上一个键: -
进度: 0.0%
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排行榜
暂无结果。