| Field | Description | Type | Null | Key | Default | Extra |
| ----- | ----------- | ---- | ---- | --- | ------- | ----- |
-| id | sequential ID | int unsigned | YES | PRI | | auto_increment |
-| uid | Owner User id | mediumint unsigned | YES | | 0 | |
-| visible | 1 indicates the member list is not private | boolean | YES | | 0 | |
-| deleted | 1 indicates the group has been deleted | boolean | YES | | 0 | |
-| name | human readable name of group | varchar(255) | YES | | | |
+| id | sequential ID | int unsigned | NO | PRI | NULL | auto_increment |
+| uid | Owner User id | mediumint unsigned | NO | | 0 | |
+| visible | 1 indicates the member list is not private | boolean | NO | | 0 | |
+| deleted | 1 indicates the group has been deleted | boolean | NO | | 0 | |
+| name | human readable name of group | varchar(255) | NO | | | |
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