phpmyadmin/templates/table/table_header.phtml

<thead>
    <tr>
        <?php if ($geomColumnFlag): ?>
            <th><?php echo __('Function'); ?></th>
        <?php endif; ?>
        <th><?php echo __('Column'); ?></th>
        <th><?php echo __('Type'); ?></th>
        <th><?php echo __('Collation'); ?></th>
        <th><?php echo __('Operator'); ?></th>
        <th><?php echo __('Value'); ?></th>
    </tr>
</thead>