title: Error: #1062 - Duplicate entry '1' for key 'PRIMARY'
body: <p>I've been given a database file to upload to my server but am getting the following error message when importing. I've searched for other similar problems but can't work out how to fix this.</p>
  
  <p>SQL query:</p>
  
  <pre><code>--
  -- Dumping data for table `wp_comments`
  --   
  
  INSERT INTO  `wp_comments` (  
       `comment_ID` ,  
       `comment_post_ID` ,
       `comment_author` ,
       `comment_author_email` ,
       `comment_author_url` ,
       `comment_author_IP` ,
       `comment_date` ,
       `comment_date_gmt` ,
       `comment_content` ,
       `comment_karma` ,
       `comment_approved` ,
       `comment_agent` ,
       `comment_type` ,
       `comment_parent` ,
       `user_id` 
      ) 
      VALUES 
      ( 
       1, 
       1,  
       'Mr WordPress',
       '', 
       'http://wordpress.org/',
       '', 
       '0000-00-00 00:00:00',
       '0000-00-00 00:00:00',
       'Hi, this is a comment.&lt;br /&gt;To delete a comment, just log in and view the post&amp;#039;s comments. There you will have the option to edit or delete them.',
       0,
       '1', 
       '', 
       '', 
       0,
       0 
      );
  </code></pre>
  
  <p>MySQL said: </p>
  
  <blockquote>
    <p><code>#1062</code> - Duplicate entry '1' for key 'PRIMARY'</p>
  </blockquote>