Importing into Data modeler 3.3

Hi,
I am importing tables from a Data Dictionary into Data Modeler 3.3
Some tables import with the correct datatypes (i.e. varchar2, number etc) but others import with a datatype of unknown.
any ideas?
I can update the datatype in Table Properties but there are many tables and this will take a while to do!
Thanks
Regards
Nikki

Hi Philip,
Yes, I'm working on an Oracle database - 10G. It varies, the database tables are defined with varchar2, number, nothing special. It seems to be linked to foreign key relationships. I am going to try import the entire database instead of breaking the tables up by module (our own defined modules). Will let you know.
Regards
Nikki

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