create database provman; create table product ( id integer primary key auto_increment not null, name varchar(30) not null, farm_id integer not null, description varchar(50) ); create table pricing ( id integer primary key auto_increment not null, weight float not null, price float not null, product_id integer not null ); create table provider ( id integer primary key auto_increment not null, name varchar(50) not null, entering_date date not null, nationality varchar(5) not null, code varchar(20) not null );