You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
901 B
77 lines
901 B
-- @(#)8a.sql 2.1.8.1
|
|
|
|
-- TPC-H/TPC-R National Market Share Query (Q8)
|
|
|
|
-- Variant A
|
|
|
|
-- Approved February 1998
|
|
|
|
:x
|
|
|
|
:o
|
|
|
|
select
|
|
|
|
o_year,
|
|
|
|
sum(decode(nation, ':1', volume, 0)) / sum(volume) as mkt_share
|
|
|
|
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 = ':2'
|
|
|
|
and s_nationkey = n2.n_nationkey
|
|
|
|
and o_orderdate between date '1995-01-01' and date '1996-12-31'
|
|
|
|
and p_type = ':3'
|
|
|
|
) all_nations
|
|
|
|
group by
|
|
|
|
o_year
|
|
order by
|
|
|
|
o_year;
|
|
|
|
:n -1
|
|
|