| Album » OptB » q8 (16 Slides) | [Page 1 of 1] :: Jump To |
select
o_year,
sum(case when
nation = 'BRAZIL' then volume
else 0 end) / sum(volume)
from
(
select
extract(year from o_orderdate) as o_year,
l_extendedprice * (1 - l_discount) as volume,
n2.n_name as nation
from
part,
supplier,
lineitem,
orders,
customer,
nation n1,
nation n2,
region
where
p_partkey = l_partkey
and s_suppkey = l_suppkey
and l_orderkey = o_orderkey
and o_custkey = c_custkey
and c_nationkey = n1.n_nationkey
and n1.n_regionkey = r_regionkey
and r_name = 'AMERICA'
and s_nationkey = n2.n_nationkey
and o_orderdate between date '1995-01-01' and date '1996-12-31'
and p_type = 'ECONOMY ANODIZED STEEL'
and s_acctbal :varies
and l_extendedprice :varies
)
group by
o_year
order by
o_year
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