text: CREATE TABLE accounts
  (
      id serial NOT NULL,
      username character varying(2000),
      phone character varying(2000),
      CONSTRAINT accounts_pkey PRIMARY KEY (id)
  );
  
  CREATE TABLE halls
  (
      id serial NOT NULL,
      rows character varying(2000),
      place character varying(2000),
      CONSTRAINT halls_pkey PRIMARY KEY (id)
  );