-- 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.
SELECT
    c_city,
    s_city,
    d_year,
    SUM(lo_revenue) AS REVENUE
FROM customer, lineorder, supplier, dates
WHERE
    lo_custkey = c_custkey
    AND lo_suppkey = s_suppkey
    AND lo_orderdate = d_datekey
    AND (
        c_city = 'UNITED KI1'
        OR c_city = 'UNITED KI5'
    )
    AND (
        s_city = 'UNITED KI1'
        OR s_city = 'UNITED KI5'
    )
    AND d_year >= 1992
    AND d_year <= 1997
GROUP BY c_city, s_city, d_year
ORDER BY d_year ASC, REVENUE DESC;