--
-- 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.
--
-- q38 --
select
     count(*)
from
     (
          select
               distinct c_last_name,
               c_first_name,
               d_date
          from
               store_sales,
               date_dim,
               customer
          where
               store_sales.ss_sold_date_sk = date_dim.d_date_sk
               and store_sales.ss_customer_sk = customer.c_customer_sk
               and d_month_seq between 1212
               and 1212 + 11
          intersect
          select
               distinct c_last_name,
               c_first_name,
               d_date
          from
               catalog_sales,
               date_dim,
               customer
          where
               catalog_sales.cs_sold_date_sk = date_dim.d_date_sk
               and catalog_sales.cs_bill_customer_sk = customer.c_customer_sk
               and d_month_seq between 1212
               and 1212 + 11
          intersect
          select
               distinct c_last_name,
               c_first_name,
               d_date
          from
               web_sales,
               date_dim,
               customer
          where
               web_sales.ws_sold_date_sk = date_dim.d_date_sk
               and web_sales.ws_bill_customer_sk = customer.c_customer_sk
               and d_month_seq between 1212
               and 1212 + 11
     ) hot_cust
limit
     100;
