| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
|---|---|---|---|---|---|---|---|---|---|
| 1 | SIMPLE | sc | ref | PRIMARY, idcontact, idspectacle, idrole | idrole | 6 | const, const | 2 | Using index; Using temporary; Using filesort |
| 1 | SIMPLE | c | eq_ref | PRIMARY | PRIMARY | 4 | theatreok_dev.sc.idcontact | 1 |