Defines a new user group. Only a superuser can create a group.
CREATE GROUP group_name [ [ WITH ] [ USER username ] [, ...] ]
Name of the new user group. Group names beginning with two underscores are reserved for Amazon Redshift internal use. For more information about valid names, see Names and Identifiers.
Optional syntax to indicate additional parameters for CREATE GROUP.
Add one or more users to the group.
Name of the user to add to the group.
The following example creates a user group named ADMIN_GROUP with a single user ADMIN:
create group admin_group with user admin;