| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
|---|---|---|---|---|---|---|---|---|---|
| 1 | SIMPLE | oc | ref | PRIMARY, idclassification | PRIMARY | 4 | const | 3 | Using index |
| 1 | SIMPLE | cl | eq_ref | PRIMARY, idgroupclassification | PRIMARY | 4 | theatreok_dev.oc.idclassification | 1 | Using where |
| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
|---|---|---|---|---|---|---|---|---|---|
| 1 | SIMPLE | oc | ref | PRIMARY, idclassification | PRIMARY | 4 | const | 3 | Using index |
| 1 | SIMPLE | cl | eq_ref | PRIMARY, idgroupclassification | PRIMARY | 4 | theatreok_dev.oc.idclassification | 1 | Using where |