https://preprod.theatre-contemporain.net/spectacles/L-Echange-20490/?path=spectacles%2FL-Echange-20490%2F

id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE schedules ref idspectacle_2, idcontact idspectacle_2 5 const 9 Using index condition; Using where; Using filesort