This Leetcode problem List the Products Ordered in a Period LeetCode Solution is done in SQL.
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List the Products Ordered in a Period LeetCode Solution
Table of Contents
Problem Statement
Column Name | Type |
product_id | int |
product_name | varchar |
product_category | varchar |
Products
product_id is the primary key (column with unique values) for this table. This table contains data about the company’s products.
Column Name | Type |
product_id | int |
order_date | date |
unit | int |
Orders
This table may have duplicate rows. product_id is a foreign key (reference column) to the Products table. unit is the number of products ordered in order_date.
Write a solution to get the names of products that have at least 100
units ordered in February 2020 and their amount.
Return the result table in any order.
The result format is in the following example.
Example 1:
Input:
product_id | product_name | product_category |
1 | Leetcode Solutions | Book |
2 | Jewels of Stringology | Book |
3 | HP | Laptop |
4 | Lenovo | Laptop |
5 | Leetcode Kit | T-shirt |
product_id | order_date | unit |
1 | 2020-02-05 | 60 |
1 | 2020-02-10 | 70 |
2 | 2020-01-18 | 30 |
2 | 2020-02-11 | 80 |
3 | 2020-02-17 | 2 |
3 | 2020-02-24 | 3 |
4 | 2020-03-01 | 20 |
4 | 2020-03-04 | 30 |
4 | 2020-03-04 | 60 |
5 | 2020-02-25 | 50 |
5 | 2020-02-27 | 50 |
5 | 2020-03-01 | 50 |
Output:
product_name | unit |
Leetcode Solutions | 130 |
Leetcode Kit | 100 |
Explanation:
Products with product_id = 1 is ordered in February a total of (60 + 70) = 130.
Products with product_id = 2 is ordered in February a total of 80.
Products with product_id = 3 is ordered in February a total of (2 + 3) = 5.
Products with product_id = 4 was not ordered in February 2020.
Products with product_id = 5 is ordered in February a total of (50 + 50) = 100.
List the Products Ordered in a Period LeetCode Solution MySQL
select
product_name,
sum(unit) as unit
from
Orders as o
left join Products as p on o.product_id = p.product_id
where
order_date between '2020-02-01'
and '2020-02-29'
group by
o.product_id
having
sum(unit) >= 100;
Code language: SQL (Structured Query Language) (sql)