Bio::Genex::Fkey - Perl extension for representing Database Foreign Keys

  use Bio::Genex::Fkey qw(:FKEY);

  $fkey_obj = Bio::Genex::Fkey->new('table_name'=>$file,
			       'pkey_name'=>$column_name,
			       'fkey_type'=> FKEY_OTM_LT);

This is a utility class for storing information about foreign keys in the GeneX DB.