text: -- 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  i_product_name
               ,i_brand
               ,i_class
               ,i_category
               ,avg(inv_quantity_on_hand) qoh
         from inventory
             ,date_dim
             ,item
         where inv_date_sk=d_date_sk
                and inv_item_sk=i_item_sk
                and d_month_seq between 1212 and 1212 + 11
         group by rollup(i_product_name
                         ,i_brand
                         ,i_class
                         ,i_category)
  order by qoh, i_product_name, i_brand, i_class, i_category
  limit 100
  