mysql> explain select
    -> ;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
mysql> explain SELECT * FROM item_list AS t1 LEFT JOIN item_media AS t2 ON t1.mid=t2.mid WHERE t1.types='0'   ORDER BY t1.ilid DESC LIMIT 6;
+----+-------------+-------+------+---------------+------+---------+------+------+----------------------------------------------+
| id | select_type | table | type | possible_keys | key  | key_len | ref  | rows | Extra                                        |
+----+-------------+-------+------+---------------+------+---------+------+------+----------------------------------------------+
|  1 | SIMPLE      | t1    | ALL  | NULL          | NULL | NULL    | NULL | 2697 | Using where; Using temporary; Using filesort |
|  1 | SIMPLE      | t2    | ALL  | NULL          | NULL | NULL    | NULL | 2697 |                                              |
+----+-------------+-------+------+---------------+------+---------+------+------+----------------------------------------------+
2 rows in set (0.00 sec)