dotCMS Roles and Groups
In dotCMS 1.7 you can assign roles to users by either: a) assigning individual roles to users or; b) assigning roles to groups and assigning groups to users. Don't be surprised if you see roles assigned to users that you can't remove or don't see records for in the
dotCMS 1.9 discarded the idea of groups.
users_roles
table. It is probably a role assigned through a group.dotCMS 1.9 discarded the idea of groups.