| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
|---|---|---|---|---|---|---|---|---|---|
| 1 | SIMPLE | category_subcategory | ref | PRIMARY, IDX_BA47E62312469DE2, IDX_BA47E6235DC6FE57 | IDX_BA47E6235DC6FE57 | 4 | const | 1 | Using index |
| 1 | SIMPLE | t0 | eq_ref | PRIMARY | PRIMARY | 4 | nrbt_symfonyrvert.category_subcategory.category_id | 1 | |
| 1 | SIMPLE | t7 | ref | UNIQ_687145A12469DE2 | UNIQ_687145A12469DE2 | 5 | nrbt_symfonyrvert.category_subcategory.category_id | 1 |