/magento/app/code/core/Mage/Sendfriend/sql/sendfriend_setup/mysql4-install-0.7.0.php

<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
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 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
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 *
 * @category    Mage
 * @package     Mage_Sendfriend
 * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

$installer = $this;
/* @var $installer Mage_Sendfriend_Model_Mysql4_Setup */

$installer->startSetup();

$installer->run("
-- DROP TABLE IF EXISTS {$this->getTable('sendfriend_log')};
CREATE TABLE {$this->getTable('sendfriend_log')} (
  `log_id` int(11) NOT NULL auto_increment,
  `ip` int(11) NOT NULL default '0',
  `time` int(11) NOT NULL default '0',
  PRIMARY KEY  (`log_id`),
  KEY `ip` (`ip`),
  KEY `time` (`time`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COMMENT='Send to friend function log storage table';
");

$installer->endSetup();