title: postgresql primary key on delete cascade, syntax error
body: <p>I try to create a simple table but there is a syntax error at or near "ON" and I don't know why. Any hint will be helpful.</p>
  
  <pre><code>create table Cook(
  CookID serial PRIMARY KEY ON DELETE CASCADE,
  FirstName varchar(20),
  LastName varchar(20),
  Background varchar(100)
  );
  </code></pre>