1. +-------------+--------------+----------------------------+
    2. |                     photo_metadata                      |
    3. +-------------+--------------+----------------------------+
    4. | height      | int(11)      |                            |
    6. | comment     | varchar(255) |                            |
    7. | orientation | varchar(255) |                            |
    8. | photoId     | int(11)      | FOREIGN KEY                |
    9. +-------------+--------------+----------------------------+