DataBase Backup

Hi.
I updated my WordPress to 2.1 and I followed all the instructions but still I have a problem.
When I uploaded my backup data base everything went trough fine but my blog is showing multiple posts. It’s showing same post 3 times but in WP Admin Panel there is only 1 post not 3 and in PhpMyAdim is 1 post not 3.
After Updating WP I tried to post topic and it showed up Once.
Can someone please help me solve this problem.
Thanks.
-Sonny https://www.owerd.com