tajo-core/tajo-core-backend/src/test/resources/queries/TestJoinQuery/testLeftOuterJoin1.sql

select
  c_custkey,
  orders.o_orderkey,
  orders.o_orderstatus,
  orders.o_orderdate
from
  customer left outer join orders on c_custkey = o_orderkey
order by
  c_custkey, o_orderkey;