plugins/sys/share/db/sql/email_change.sql.php
<?php
return '
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`user_id` int(10) unsigned NOT NULL DEFAULT \'0\',
`old_mail` varchar(50) NOT NULL DEFAULT \'0\',
`new_mail` varchar(50) NOT NULL DEFAULT \'0\',
`time` int(10) unsigned NOT NULL DEFAULT \'0\',
PRIMARY KEY (`id`)
';