title: There can be only one auto column
body: <p>How do I correct the error from MySQL 'you can only have one auto increment column'.</p>
  
  <pre><code>CREATE TABLE book (
     id INT AUTO_INCREMENT NOT NULL,
     accepted_terms BIT(1) NOT NULL,
     accepted_privacy BIT(1) NOT NULL
  ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
  </code></pre>