Join Oracle

create table l (
  i integer primary key,
  v varchar(20)
);
insert into l values (1, 'one'  );
insert into l values (2, 'two'  );
insert into l values (3, 'three');
insert into l values (4, 'four' );
insert into l values (5, 'five' );


select * from l

create table r (
  i integer references l,
  v varchar(20),
  l char(2),
  primary key (i,l)
);

insert into r values (2, 'zwei','de');
insert into r values (2, 'deux','fr');
insert into r values (2, 'dos' ,'es');
insert into r values (3, 'drei','de');
insert into r values (4, 'quattre','fr');
insert into r values (4, 'cuatro','es');
insert into r values (5, 'cinco','es');

select * from r
select * from l

--select * from r,l

--select * from r,l where r.i = l.i
--select * from r inner join l on r.i = l.i
--select * from r left outer join l on r.i = l.i
--select * from r right outer join l on r.i = l.i
--select * from r cross join l