SQL many to many select

Question

category_product
---------------
id_category
id_product

product
---------------
id_product
id_manufacturer

manufacturer
---------------
id_manufacturer
name

How would I create an SQL query so that it selects all the names from manufacturer when id_category is equal to something?

user_11097243 · Answer

SELECT m.name, cp.id_category
FROM manufacturer AS M INNER JOIN product AS P
    ON M.id_manufacturer = M.id_manufacturer
 INNER JOIN category_product AS CP
    ON P.id_product = CP.id_product 
WHERE cp.id_category = 'add value'

SQL many to many select

5 Answers