id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	db1_personalog	NULL	ref	fk_db1_persona_db0_ente1_idx,fk_db1_personalog_db1_persona1_idx	fk_db1_personalog_db1_persona1_idx	8	const	1	49.96	Using where