id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	canje	NULL	ALL	NULL	NULL	NULL	NULL	105	100.00	NULL
1	SIMPLE	profile	NULL	eq_ref	PRIMARY	PRIMARY	4	sumalepuntoscoor_puntos.canje.user_id	1	100.00	Using index
1	SIMPLE	producto	NULL	eq_ref	PRIMARY	PRIMARY	4	sumalepuntoscoor_puntos.canje.prod_id	1	100.00	NULL
1	SIMPLE	user	NULL	eq_ref	PRIMARY	PRIMARY	4	sumalepuntoscoor_puntos.canje.user_id	1	100.00	Using index
1	SIMPLE	categoria	NULL	eq_ref	PRIMARY	PRIMARY	4	sumalepuntoscoor_puntos.producto.categoria	1	100.00	Using index
1	SIMPLE	proveedor	NULL	eq_ref	PRIMARY	PRIMARY	4	sumalepuntoscoor_puntos.producto.proveedor	1	100.00	Using index