| id | select_type | table | partitions | type | possible_keys | key | key_len | ref | rows | filtered | Extra |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | SIMPLE | app_product_countries | ref | PRIMARY, IDX_9283F0BF4584665A, IDX_9283F0BFF92F3E70 | PRIMARY | 4 | const | 1 | 100 | Using index | |
| 1 | SIMPLE | t0 | eq_ref | PRIMARY | PRIMARY | 4 | open_marketplace.app_product_countries.country_id | 1 | 100 |