nasıl olsa elinizde yedek var şu sorguyu çalıştırırmısın

CREATE TABLE IF NOT EXISTS `session` (
  `sessionhash` char(32) NOT NULL default '',
  `userid` int(10) unsigned NOT NULL default '0',
  `host` char(15) NOT NULL default '',
  `idhash` char(32) NOT NULL default '',
  `lastactivity` int(10) unsigned NOT NULL default '0',
  `location` char(255) NOT NULL default '',
  `useragent` char(100) NOT NULL default '',
  `styleid` smallint(5) unsigned NOT NULL default '0',
  `languageid` smallint(5) unsigned NOT NULL default '0',
  `loggedin` smallint(5) unsigned NOT NULL default '0',
  `inforum` smallint(5) unsigned NOT NULL default '0',
  `inthread` int(10) unsigned NOT NULL default '0',
  `incalendar` smallint(5) unsigned NOT NULL default '0',
  `badlocation` smallint(5) unsigned NOT NULL default '0',
  `bypass` tinyint(4) NOT NULL default '0',
  `profileupdate` smallint(5) unsigned NOT NULL default '0',
  PRIMARY KEY  (`sessionhash`)
) ENGINE=MEMORY DEFAULT CHARSET=latin1;