leetcode在力扣 App 中打开
调试中...
调试中...
题目描述
题目描述
题解
题解
提交记录
提交记录
代码
代码
测试用例
测试用例
测试结果
测试结果
行 1，列 1
Customers =
| customer_id | name | | ----------- | ----- | | 1 | Alice | | 2 | Bob | | 3 | Tom | | 4 | Jerry | | 5 | John |
Orders =
| order_id | order_date | customer_id | product_id | | -------- | ---------- | ----------- | ---------- | | 1 | 2020-07-31 | 1 | 1 | | 2 | 2020-7-30 | 2 | 2 | | 3 | 2020-08-29 | 3 | 3 | | 4 | 2020-07-29 | 4 | 1 | | 5 | 2020-06-10 | 1 | 2 | | 6 | 2020-08-01 | 2 | 1 | | 7 | 2020-08-01 | 3 | 3 | | 8 | 2020-08-03 | 1 | 2 | | 9 | 2020-08-07 | 2 | 3 | | 10 | 2020-07-15 | 1 | 2 |
Products =
| product_id | product_name | price | | ---------- | ------------ | ----- | | 1 | keyboard | 120 | | 2 | mouse | 80 | | 3 | screen | 600 | | 4 | hard disk | 450 |