| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
|---|---|---|---|---|---|---|---|---|---|
| 1 | SIMPLE | cl | const | PRIMARY | PRIMARY | 4 | const | 1 | Using index |
| 1 | SIMPLE | oc | ref | PRIMARY, idcontent | PRIMARY | 5 | const, const | 1 | Using where; Using index |
| 1 | SIMPLE | cc | eq_ref | PRIMARY, idclassification | PRIMARY | 8 | theatreok_dev.oc.idcontent, const | 1 | Using index |
| 1 | SIMPLE | c | eq_ref | PRIMARY | PRIMARY | 4 | theatreok_dev.oc.idcontent | 1 | Using where |