Table: products
+--------------+------------+ | Column Name | Type | +--------------+------------+ | product_id | int | | product_name | varchar | | description | varchar | +--------------+------------+ (product_id) is the unique key for this table. Each row in the table represents a product with its unique ID, name, and description.
Write a solution to find all products whose description contains a valid serial number pattern. A valid serial number follows these rules:
4
digits.4
digits.Return the result table ordered by product_id
in ascending order.
The result format is in the following example.
Example:
Input:
products table:
+------------+--------------+------------------------------------------------------+ | product_id | product_name | description | +------------+--------------+------------------------------------------------------+ | 1 | Widget A | This is a sample product with SN1234-5678 | | 2 | Widget B | A product with serial SN9876-1234 in the description | | 3 | Widget C | Product SN1234-56789 is available now | | 4 | Widget D | No serial number here | | 5 | Widget E | Check out SN4321-8765 in this description | +------------+--------------+------------------------------------------------------+
Output:
+------------+--------------+------------------------------------------------------+ | product_id | product_name | description | +------------+--------------+------------------------------------------------------+ | 1 | Widget A | This is a sample product with SN1234-5678 | | 2 | Widget B | A product with serial SN9876-1234 in the description | | 5 | Widget E | Check out SN4321-8765 in this description | +------------+--------------+------------------------------------------------------+
Explanation:
The result table is ordered by product_id in ascending order.