     0 |           1 |        255 |             17 |               0.0667 |
| sakila       | city       | city_id      | smallint  | smallint(5) unsigned  |         0 |           1 |      65535 |            601 |               0.0092 |
| sakila       | country    | country_id   | smallint  | smallint(5) unsigned  |         0 |           1 |      65535 |            110 |               0.0017 |
| sakila       | customer   | customer_id  | smallint  | smallint(5) unsigned  |         0 |           1 |      6553