i backup wordpress but error while import plz help

HI There
before i remove the old hacked wordpress, i back up the database
now i import the database again to my new wordpress
and i saw this error while trying to import::::::::::::::
:::::::::::::;
SQL query:

— — Dumping data for table wp_links — INSERT INTO wp_links (link_id, link_url, link_name, link_image, link_target, link_category, link_description, link_visible, link_owner, link_rating, link_updated, link_rel, link_notes, link_rss) VALUES (1, ‘http://inphotos.org/’, ‘Donncha’, ”, ”, 0, ”, ‘Y’, 1, 0, ‘0000-00-00 00:00:00’, ”, ”, ‘http://inphotos.org/feed/’), (2, ‘http://zengun.org/weblog/’, ‘Michel’, ”, ”, 0, ”, ‘Y’, 1, 0, ‘0000-00-00 00:00:00’, ”, ”, ‘http://zengun.org/weblog/feed/’), (3, ‘http://boren.nu/’, ‘Ryan’, ”, ”, 0, ”, ‘Y’, 1, 0, ‘0000-00-00 00:00:00’, ”, ”, ‘http://boren.nu/feed/’), (4, ‘http://photomatt.net/’, ‘Matt’, ”, ”, 0, ”, ‘Y’, 1, 0, ‘0000-00-00 00:00:00’, ”, ”, ‘http://xml.photomatt.net/feed/’), (5, ‘http://zed1.com/journalized/’, ‘Mike’, ”, ”, 0, ”, ‘Y’, 1, 0, ‘0000-00-00 00:00:00’, ”, ”, ‘http://zed1.com/journalized/feed/’), (6, ‘http://www.alexking.org/’, ‘Alex’, ”, ”, 0, ”, ‘Y’, 1, 0, ‘0000-00-00 […]

MySQL said:

#1054 – Unknown column ‘link_category’ in ‘field list’

:::::::::::::::::::::::::::::::::::::::;

in dashboard i see the number of comments,pending & spams only
but i dont see my posts after backup
how can i make right import for the content?
waiting yr help
seleno