Это, что ли?

create table person(id numeric,name varchar(32));
create table education (id_person numeric, name varchar(32));
insert into person values(1,'vasya');
insert into person values(2,'petya');
insert into person values(3,'vanya');
insert into education values(1,'high school');
insert into education values(1,'interbase dba');
insert into education values(2,'college');
commit;
select person.name,education.name
from person left join education on person.id=education.id_person;

NAME NAME1
==================== ==================
vasya high school
vasya interbase dba
petya college
vanya <null>