text: create table user_profile (
    user_id bigint not null,
    name varchar(64) not null,
    location varchar(200) default null,
    bio text default null,
    url varchar(200) default null,
  
    constraint pk_user_profile primary key (user_id),
    constraint uk1_user_profile unique (name),
    constraint fk1_user_profile foreign key (user_id) references "user" (id)
  );
  
  alter table preparation alter volume_ml type numeric(4, 0) using 0;
  