How to solve a small problem of saving data to a database?

Question

MySQL

Write the received data to the database.
For each product, write down the fields: product_id, title, description, rating, price (if there is inet_price), image
- If the product does not have a product_id, this will mean that the product id is the same as the previous one, but the product has a different variation

Answer 1

Take and check if the new product has a product_id, if it exists, then write it, if not, then get the last one from the database and write it to the database with this mud