text: -- Your SQL goes here
  create table cards
  (
      card_id           serial                                                    not null,
      name              varchar(255)                                              not null,
      kana              varchar(255)                                              not null,
      company_name      varchar(255)                                              not null,
      department        varchar(255)                                              not null,
      position          varchar(255)                                              not null,
      email             varchar(255)                                              not null,
      cell_phone_number varchar(255)                                              not null,
      phone_number      varchar(255)                                              not null,
      fax               varchar(255)                                              not null,
      zip_code          varchar(255)                                              not null,
      address           varchar(255)                                              not null,
      url               varchar(255)                                              not null,
      owner             varchar(255)                                              not null,
      PRIMARY KEY (card_id)
  );
  
  comment on table cards is '名刺一覧';
  
  comment on column cards.card_id is '名刺ID';
  
  comment on column cards.name is '指名';
  
  comment on column cards.kana is 'ふりがな';
  
  comment on column cards.company_name is '会社名';
  
  comment on column cards.department is '部署名';
  
  comment on column cards.position is '部署名';
  
  comment on column cards.email is 'Eメールアドレス';
  
  comment on column cards.cell_phone_number is '電話番号';
  
  comment on column cards.phone_number is '固定電話番号';
  
  comment on column cards.fax is 'FAX';
  
  comment on column cards.zip_code is '郵便番号';
  
  comment on column cards.address is '住所';
  
  comment on column cards.url is '会社URL';
  
  comment on column cards.owner is '名刺所有者';
  
  