text: drop table if exists package_item;
  drop table if exists trip;
  
  create sequence if not exists id_sequence start 1001;
  
  create table trip
  (
      id             integer primary key not null default nextval('id_sequence'),
      name           varchar(30)        not null,
      city_full_name varchar(100)       not null,
      img_src        varchar(200),
      from_date      date,
      to_date        date,
      lat            numeric,
      lng            numeric
  );
  
  create table package_item
  (
      id               integer primary key not null default nextval('id_sequence'),
      trip_id          integer references trip (id) on delete cascade,
      item_description varchar(50)
  );
  