| Field   | Type         | Null | Key | Default
+---------+--------------+------+-----+------------------
| tstamp  | timestamp    | YES  | PRI | CURRENT_TIMESTAMP
| url     | varchar(64)  |      | PRI |
| average | double(17,1) | YES  |     | NULL
| maximum | bigint(20)   | YES  |     | NULL
| total   | double(17,0) | YES  |     | NULL