| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
|---|---|---|---|---|---|---|---|---|---|
| 1 | SIMPLE | schedules | index_merge | idspectacle_2, idcontact, idcontact_festival | idcontact, idcontact_festival | 5, 5 | 64 | Using union(idcontact, idcontact_festival); Using where; Using temporary | |
| 1 | SIMPLE | spectacles | eq_ref | PRIMARY | PRIMARY | 4 | theatreok_dev.schedules.idspectacle | 1 | Using where |