To view the database field data in the admin page custom module
There are plenty of ways to get your fields in a page. 
You can try 

Views OR Data

If you prefer some coding you could try theme_table or theme_item_list

I would do it by theme_table if i prefer coding. 


  Returns HTML for a table.


Read HowTo: Create Simple Tables

&lt;?php
  $header = array('Node ID', 'Title', 'Type', 'Terms', 'Created', 'Published', 'Sticky', 'Promoted');
  $rows = array();
  $no_yes = array('No', 'Yes');

  $results = db_query("SELECT * FROM {node} ORDER BY promote DESC, sticky DESC, created DESC");

  while ($node = db_fetch_object($results)) {
    $termlist = taxonomy_node_get_terms($node-&gt;nid);
    $terms = array();
    foreach ($termlist as $key =&gt; $value) { $terms[] = $value-&gt;name; }
    $rows[] = array($node-&gt;nid,
                    l($node-&gt;title, 'node/'. $node-&gt;nid .'/edit'),
                    $node-&gt;type,
                    implode(' | ', $terms),
                    format_date($node-&gt;created),
                    $no_yes[$node-&gt;status],
                    $no_yes[$node-&gt;sticky],
                    $no_yes[$node-&gt;promote],
                );
   }
  return theme('table', $header, $rows);
?&gt;


To get Edit/Delete work you should write your own code if its not nodes.