Connecting to Oracle

Hi,

I am getting the following error running my rails app:

undefined method ‘define_a_column’ for class OCI8:Cursor (NameError)

Platform: Windows XP
Rails: 1.0
ActiveRecord: 1.13.2
Oracle: 9.2
Ruby: 1.8.3
Oci Drive: ruby-oci8-0.1.13

Any clues ?

Thank you all !!