| -- @@@ START COPYRIGHT @@@ |
| -- |
| -- Licensed to the Apache Software Foundation (ASF) under one |
| -- or more contributor license agreements. See the NOTICE file |
| -- distributed with this work for additional information |
| -- regarding copyright ownership. The ASF licenses this file |
| -- to you under the Apache License, Version 2.0 (the |
| -- "License"); you may not use this file except in compliance |
| -- with the License. You may obtain a copy of the License at |
| -- |
| -- http://www.apache.org/licenses/LICENSE-2.0 |
| -- |
| -- Unless required by applicable law or agreed to in writing, |
| -- software distributed under the License is distributed on an |
| -- "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| -- KIND, either express or implied. See the License for the |
| -- specific language governing permissions and limitations |
| -- under the License. |
| -- |
| -- @@@ END COPYRIGHT @@@ |
| obey regr.init; |
| -- Q8 |
| select |
| yr, sum(case when nat = 'BRAZIL' then volume else 0 end) |
| /sum(volume) as mkt_share |
| from |
| (select |
| extract(year from o_orderdate) as yr, |
| l_extendedprice*(1-l_discount) as volume, |
| n2.n_name as nat |
| 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' |
| ) as all_nations |
| group by yr; |
