title: Mysql Query without Repeat!
body: <p>Hi I will Explain what i want...</p>
  
  <p>I have a table with records like this</p>
  
  <p>...........................</p>
  
  <p><strong>country_name - username</strong></p>
  
  <p>India - abc1 </p>
  
  <p>Australia - abc2 </p>
  
  <p>India - abc3 </p>
  
  <p>USA - abc4 </p>
  
  <p>Australis - abc5 </p>
  
  <p>Lebanon - abc6</p>
  
  <p>...........................</p>
  
  <p>From Above Table I need to get country list without repeat, is there any chance to get like this...</p>
  
  <p><strong>Ex Code:</strong></p>
  
  <pre><code>$sql = 'bla bla bla bla bla';
  
  $res = mysql_query($sql);
  
  while($row = mysql_fetch_array($res)){
      echo $row['country_name'].'&lt;br /&gt;&lt;br /&gt;';
  }
  </code></pre>
  
  <p><strong>Ex Output(Like this):</strong></p>
  
  <p>India</p>
  
  <p>Australia</p>
  
  <p>USA</p>
  
  <p>Lebanon</p>
  
  <p>If is there any change to solve my issue please tell me and advance thanks for that!</p>