text: CREATE TABLE users
  (
    _id SERIAL PRIMARY KEY,
    username varchar(255),
    password varchar(255),
    email varchar(255),
    bio varchar(255),
    secretword varchar(255)
  );
  
  CREATE TABLE posts
  (
    _id SERIAL PRIMARY KEY,
    chatmessage varchar(255),
    date timestamp default CURRENT_TIMESTAMP,
    user_id int references users(_id) ON DELETE CASCADE
  );