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LeetCode 1327: List the Products Ordered in a Period Solution

Master LeetCode problem 1327 (List the Products Ordered in a Period), a easy challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.

1327. List the Products Ordered in a Period

Easy
Database

Problem Explanation

Explanation:

To solve this problem, we need to join the Products and Orders tables on the product_id column and filter the results based on the conditions mentioned in the problem statement. We need to sum the unit values for each product ordered in February 2020 and select only those products that have at least 100 units ordered.

  1. Join the Products and Orders tables on product_id.
  2. Filter the results to include only orders from February 2020.
  3. Group the results by product_id and sum the unit values.
  4. Filter the grouped results to include only products with a total of at least 100 units ordered.
  5. Select the product_name and total unit for each qualifying product.

Time Complexity: O(n), where n is the total number of rows in the combined Orders and Products tables. Space Complexity: O(n), where n is the total number of rows in the combined Orders and Products tables.

Solution Code

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