sql - Database design for products table -


i have product table , category table in database.

a product can have (n) number of categories.

what best design tables , fields performance , optimization?

products table -------------- id name ...   categories table ---------------- id name ...   product_categories table ------------------------ product_id category_id

if want products of category do

select p.* products p join product_categories pc on pc.product_id = p.id join categories c on pc.category_id = c.id c.name = 'shoes'

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