app.ini

resources.db.adapter = "PDO_MYSQL"
resources.db.params.dbname = "zfpress_production"
resources.db.params.username = "root"
resources.db.params.password = "root"
resources.db.params.prefix = "zfpress_"

ZFPress_Model_DbTable_Abstract.php

<?php

class ZFPress_Model_DbTable_Abstract 
    extends Zend_Db_Table_Abstract
{
    
    protected $_prefix = '';
    
    public function init()
    {
        $options = $this->getAdapter()->getConfig();
        if(isset($options['prefix'])) {
            $this->_name = $options['prefix'] . $this->_name;
        }
    }
    
}