title: how to insert mySQL command in a table row
body: <p>When i use the following command:  </p>
  
  <pre><code>insert into history (id, command)  
  values(2,'insert into show(id, moderator_ID, film_ID, time_length, adress, details) values(42,2,1,'123','123','123')');  
  </code></pre>
  
  <p>It returns an error: missing comma. Why?</p>