qb_keyword 

  `id` mediumint(5) NOT NULL auto_increment,
  `keywords` varchar(30) NOT NULL default '',
  `list` int(10) NOT NULL default '0',
  `uid` mediumint(7) NOT NULL default '0',
  `ifhide` tinyint(1) NOT NULL default '0',
  `url` varchar(150) NOT NULL default '',
  `num` smallint(4) unsigned NOT NULL default '0',

qb_keywordid

  `id` mediumint(7) NOT NULL default '0',
  `aid` mediumint(7) NOT NULL default '0',
