Error while MySQL (Opgelost)

<?php
$query = "SELECT id, datum, DATE_FORMAT(datum, '%d/%m/%Y') AS datum FROM news LIMIT 2";
while($row = mysql_fetch_assoc($query)) 
    { 
    echo '<h3>' . $row['titel'] . '</h3><br />';
    echo '[' . $row['datum'] . ']<p>';
    echo $row['bericht'];
    echo '</p><br />';
    } 
?> 

<?php
$query = "SELECT id, datum, DATE_FORMAT(datum, '%d/%m/%Y') AS datum FROM news LIMIT 2";
while($row = mysql_fetch_assoc($query)) 
    { 
    echo '<h3>' . $row['titel'] . '</h3><br />';
    echo '[' . $row['datum'] . ']<p>';
    echo $row['bericht'];
    echo '</p><br />';
    } 
?>

<?php
$query = "SELECT id, datum, DATE_FORMAT(datum, '%d/%m/%Y') AS datum FROM news LIMIT 2";
$queryUitgevoerd = mysql_query($query) or die(mysql_error());
while($row = mysql_fetch_assoc($queryUitgevoerd)) 
    { 
    echo '<h3>' . $row['titel'] . '</h3><br />';
    echo '[' . $row['datum'] . ']<p>';
    echo $row['bericht'];
    echo '</p><br />';
    } 
?> 

<?php
$query = "SELECT id, datum, DATE_FORMAT(datum, '%d/%m/%Y') AS datum FROM news LIMIT 2";
$queryUitgevoerd = mysql_query($query) or die(mysql_error());
while($row = mysql_fetch_assoc($queryUitgevoerd)) 
    { 
    echo '<h3>' . $row['titel'] . '</h3><br />';
    echo '[' . $row['datum'] . ']<p>';
    echo $row['bericht'];
    echo '</p><br />';
    } 
?>