text: select
          ps_partkey,
          sum(ps_supplycost * ps_availqty) as "value"
  from
          partsupp,
          supplier,
          nation
  where
          ps_suppkey = s_suppkey
          and s_nationkey = n_nationkey
          and n_name = 'GERMANY'
  group by
          ps_partkey having
                  sum(ps_supplycost * ps_availqty) > (
                          select
                                  sum(ps_supplycost * ps_availqty) * 0.0001
                          from
                                  partsupp,
                                  supplier,
                                  nation
                          where
                                  ps_suppkey = s_suppkey
                                  and s_nationkey = n_nationkey
                                  and n_name = 'GERMANY'
                  );
  