Extension:Tilesheets/ext tilesheet items table

mysql> describe ext_tilesheet_items;
+-----------+--------------+------+-----+---------+----------------+
| Field     | Type         | Null | Key | Default | Extra          |
+-----------+--------------+------+-----+---------+----------------+
| entry_id  | int(11)      | NO   | PRI | NULL    | auto_increment |
| item_name | varchar(100) | NO   | MUL | NULL    |                |
| mod_name  | varchar(10)  | NO   | MUL | NULL    |                |
| x         | int(11)      | NO   |     | NULL    |                |
| y         | int(11)      | NO   |     | NULL    |                |
| z         | int(11)      | NO   |     | NULL    |                |
+-----------+--------------+------+-----+---------+----------------+