CREATE TABLE manufacturers (code NUMBER, name CLOB, headquarter CLOB, founder CLOB, revenue NUMBER)
CREATE TABLE products (code NUMBER, name CLOB, price NUMBER, manufacturer NUMBER)

Select all the data from the products and each product's manufacturer.
SELECT * FROM products AS T1 JOIN manufacturers AS T2 ON T1.manufacturer = T2.code
SELECT * FROM "products" "T1" JOIN "manufacturers" "T2" ON "T1"."manufacturer" = "T2"."code"