Hi,
Another way to this can be create a datapublisher table from the plugin. Using that Shortcode in your php backend page where ever you wanted to run the custom table. e.g. Goto function.php and target your hook for the page and paste this code.
echo do_shortcode( '[wpdataaccess pub_id="8"]' );
This will display your current data table you wanted to display in the backend of WP. Also you can do more of the settings in the plugin.
Hope this helps.