| uid | User id | mediumint unsigned | NO | | NULL | |
| label | Channel label | varchar(64) | NO | | NULL | |
| description | Channel description | varchar(64) | YES | | NULL | |
+| circle | Circle or channel that this channel is based on | int | YES | | NULL | |
| access-key | Access key | varchar(1) | YES | | NULL | |
| include-tags | Comma separated list of tags that will be included in the channel | varchar(255) | YES | | NULL | |
| exclude-tags | Comma separated list of tags that aren't allowed in the channel | varchar(255) | YES | | NULL | |