create table `vn`.`itemMatchProperties`
(
	itemFk int not null,
	name varchar(80) not null,
	producer varchar(80) not null,
	size int not null,
	constraint itemMatchProperties_pk
		primary key (itemFk, name, producer, size),
	constraint itemFk___fk
		foreign key (itemFk) references item (id)
			on update cascade on delete cascade
)
comment 'Propiedades para encontrar articulos equivalentes en verdnatura';