title: What is in the error in this SQLite statement?
body: <p>I got this error:
  <code>SQL error (near "(": syntax error)</code></p>
  
  <pre><code>create table IF NOT EXISTS demo
  (
      code varchar(200) default substr(lower(hex(randomblob(32))),1,6) not null primary key
  );
  </code></pre>
  
  <p>What is wrong with my code?</p>