Anonymous

mysql> explain SELECT * FROM `statistic_pictures` WHERE `id`='101566';
+----+-------------+--------------------+------+---------------+------+---------+-------+------+-------+
| id | select_type | table              | type | possible_keys | key  | key_len | ref   | rows | Extra |
+----+-------------+--------------------+------+---------------+------+---------+-------+------+-------+
| 1  | SIMPLE      | statistic_pictures | ref  | id            | id   | 8       | const | 1    |       |
+----+-------------+--------------------+------+---------------+------+---------+-------+------+-------+
1 row in set (0.02 sec)