How to design a base for an online clothing store?

Question

Online shopping

You need to make an online store. Now I am designing a database.
It is necessary that each product has a list of sizes and each size must have a certain quantity.
And another question.
How to properly make a cart through cookies or through session?

Answer 1

Regular EAV. There is a table of goods, a table of sizes
, a connection through a pivot table in which we store the quantity at the same time.
The dock has information on additional actions with the pivot https://laravel.com/docs/5.2/eloquent-relationships https://github.com/Crinsane/LaravelShoppingcart

Answer 2

Reading about database normal forms