http://www.viewpoint.asb-digital.fr/product/zebrafish/fish-behavior-monitoring/zebratower

id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE s0_ ref PRIMARY, IDX_BCE3F79812469DE2, IDX_BCE3F798A9CED711, IDX_BCE3F79861220EA6 IDX_BCE3F79812469DE2 5 const 5 10.00 Using where; Using temporary; Using filesort
1 SIMPLE s1_ ref sub_category_translation_unique_translation, IDX_527AF4672C2AC5D3 IDX_527AF4672C2AC5D3 5 viewpoint_dev.s0_.id 2 100.00 Using index