This table provides a list of valid suppliers.
Source romber_suppliers_tbl.sql
create table romber_member.suppliers ( supplier_id romber_member.relationship_id not null );
Source romber_suppliers_pk.sql
alter table romber_member.suppliers add constraint romber_suppliers_pk primary key ( supplier_id );
Source romber_suppliers_fk1.sql
alter table romber_member.suppliers add constraint romber_suppliers_fk1 foreign key ( supplier_id ) references romber_member.relationships ( member_relationship_id );
Source romber_suppliers_load.sql
insert into romber_member.suppliers ( supplier_id ) values ( 0 );