title: Adding column in mysql table is not working?
body: <p>This is what i have so far i am not getting any error. But the column adding doesn't work?<br>
  It doesn't appear in my database.<br>
  What should i do?</p>
  
  <pre><code> &lt;?php
  
        $mysqli = mysqli_connect("localhost","texaco","texaco","texaco");
  
        // Check connection
        if (mysqli_connect_errno())
          {
             echo "Failed to connect to MySQL: " . mysqli_connect_error();
          }
  
        elseif (mysqli_query("ALTER TABLE prijzen ADD test varchar(255) NOT NULL")) {
            echo "Table creation failed: (" . mysqli_errno . ") " . mysqli_error;
        }
  
  
        else {
        header("Location: inloggen.php");
        }
  
  
  
        /* ;
          mysqli_query($sql);
  
         */
  
        ?&gt;
  </code></pre>