Explain Query (mysql)
EXPLAIN SELECT
b.default_price
FROM
baskets b
INNER JOIN subscriptions s ON (s.basket_id = b.basket_id AND s.user_id = '203694')
| id | select_type | table | partitions | type | possible_keys | key | key_len | ref | rows | filtered | Extra |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | SIMPLE | s | const | uniq_sub_per_user, idx_user_id | uniq_sub_per_user | 4 | const | 1 | 100.00 | ||
| 1 | SIMPLE | b | const | PRIMARY | PRIMARY | 4 | const | 1 | 100.00 |