text: --
  --    Copyright 2009-2021 the original author or authors.
  --
  --    Licensed 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.
  --
  
  drop table persons if exists;
  drop table items if exists;
  
  create table persons
  (
      id   int,
      name varchar(20)
  );
  
  create table items
  (
      id    int,
      owner int,
      name  varchar(20)
  );
  
  insert into persons (id, name)
  values (1, 'grandma');
  insert into persons (id, name)
  values (2, 'sister');
  insert into persons (id, name)
  values (3, 'brother');
  
  insert into items (id, owner, name)
  values (1, 1, 'book');
  insert into items (id, owner, name)
  values (2, 1, 'tv');
  insert into items (id, owner, name)
  values (3, 2, 'shoes');
  insert into items (id, owner, name)
  values (4, 3, 'car');
  insert into items (id, owner, name)
  values (5, 2, 'phone');
  