http://references.equinoxes.fr/rea_digital

id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE rea_digital_cat_digital ref PRIMARY, IDX_282A5472A10A1835, IDX_282A5472EB53555 PRIMARY 4 const 1 Using index
1 SIMPLE t0 eq_ref PRIMARY PRIMARY 4 c1references.rea_digital_cat_digital.cat_digital_id 1