php - Extracting URL's from mysql database and setting as single word clickable link -

i extract url's mysql database. wish link url single word 'click' in table.

the snippet of code below extracts data mysql database , puts in table series of rows. each row there respective url wish extract database. instead of showing full , long url want have word click against each row people can click access url. can body tell me how done?

        $q="select * railstp download='$changeday'";                 $r=mysqli_query($mysql_link,$q);                  if ($r)                 {                 echo "<strong>network rail schedule (stp) updates downloaded: $changeday</strong>";                 echo "<p> </p>";                 echo "<table id='customers'>                 <tr>                 <th>headcode</th>                 <th>traction</th>                 <th>from</th>                 <th>to</th>                 <th>departing</th>                 <th>destination</th>                 <th>depart</th>                 <th>arrive</th>                 <th>atoc</th>                 <th>runs</th>                 <th>load</th>                 <th>speed</th>                 </tr>";                  while ($row=mysqli_fetch_array($r,mysqli_assoc))                 {                 echo "<tr>";                 echo "<td>".$row['headcode']."</td>";                 echo "<td>".$row['traction']."</td>";                 echo "<td>".$row['startdate']."</td>";                 echo "<td>".$row['enddate']."</td>";                 echo "<td>".$row['depart']."</td>";                 echo "<td>".$row['arrive']."</td>";                 echo "<td>".$row['departtime']."</td>";                 echo "<td>".$row['arrivaltime']."</td>";                 echo "<td>".$row['atoc']."</td>";                 echo "<td>".$row['runs']."</td>";                 echo "<td>".$row['load']."</td>";                 echo "<td>".$row['speed']."</td>";                 echo "</tr>";                 }                 echo "</table>";                 }                 else {echo '<p>'.mysqli_error($mysql_link).'</p>' ;}                 }                 show_records($mysql_link);                 mysqli_close($mysql_link); 

add row code:

echo "<td><a href='".$row['url']."'>click</a></td>"; 

what add url parameter link link text show click. replace url column name url.