When using Teradata Secure Zones, grants access to a zone to users or roles that are not zone users.
GRANT ZONE does not automatically grant users access to database objects within the zone. A zone user must grant Discretionary Access Control privileges to zone guests before access is permitted.
Users and roles that are granted zone access using this syntax are called zone guests. Zone users must be created within the zone using the CREATE USER syntax.
ANSI Compliance
This statement is a Teradata extension to the ANSI SQL:2011 standard.
Required Privileges
You must be the creator of the zone to use GRANT ZONE to create zone guests.
Restricted Privileges
You cannot use GRANT ZONE syntax to make yourself a guest in a zone that you created.
Only zone users can grant privileges on database objects within the zone to zone guests, but zone users cannot grant privileges on zone objects to a zone guest using the WITH GRANT OPTION.
A zone guest cannot grant access to zone objects to other users.