text: -- noinspection SqlNoDataSourceInspectionForFile
  
  drop table if exists man;
  drop table if exists woman;
  drop table if exists child;
  
  create table man
  (
      id        bigint(20) not null,
      name      varchar(30),
      lao_po_id bigint(20) not null
  );
  
  create table woman
  (
      id          bigint(20) not null,
      name        varchar(30),
      lao_gong_id bigint(20) not null
  );
  
  create table child
  (
      id         bigint(20) not null,
      name       varchar(30),
      lao_han_id bigint(20) not null,
      lao_ma_id bigint(20) not null
  );