A. create or replace row access policy region policy as (region_value varchar) returns boolean ->
'ALL ACCESS_ROLE' = current_role ()
and exists (
select 1 from entitlement_table
where role = current_role ()
and region = region_value
)

B. create or replace row access policy region policy as (region_value varchar) returns boolean -> exists ( select 1 from entitlement_table where role = current_role () and region = region_value )

C. create or replace row access policy region policy as (region_value varchar) returns boolean ->
'ALL_ACCESS_ROLE' = current_role ()
or exists (
select 1 from entitlement_table
where role = current_role ()
and region = region_value
)

D. create or replace row access policy region policy as (region_value varchar) returns boolean ->
'ALL ACCESS ROLE' = current_role ()
)