how do i connect excel to an oracle DB?
                +1 
                A: 
                
                
              
            If you want a very flexible 3rd party tool check out Apatar: http://www.apatar.com/
It allows you to take data from many (15+) types of sources, transform it how you wish, and then store it into a different type of source. It should be able to handle Excel to Oracle just fine.
                  MadcapLaugher
                   2009-12-09 18:15:05