What is the best way to make a table structure for products?

Question

Database

I have a table with products, there are products that have data on their color, weight, etc., and there are products that do not have such data, and in principle they are not needed, how to store them in the database?
Create a common table products (and make them fields just null when inserting), or create several?

Answer 1

Option 1.
Tables:
Good(id, name) - goods,
Param(id, name) - parameter reference,
ParamVal(id_good, id_param, val) - parameter values.
Store parameters in one field but inside xml
Good(id, name, vals-xml)