http://www.viewpoint.asb-digital.fr/publications/rodent

id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE publication_phase_evolution ref PRIMARY, IDX_309DBD9538B217A7, IDX_309DBD952B200B63 PRIMARY 4 const 1 100.00 Using index
1 SIMPLE t0 eq_ref PRIMARY PRIMARY 4 viewpoint_dev.publication_phase_evolution.phase_evolution_id 1 100.00