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  1. or download this
    #!/usr/bin/perl -w
use strict;
...
my @students = TestPkg::View->retrieve_all;
# returns the same error as search() would
warn Dumper(\@students);
  2. or download this
    package TestPkg::DBI;
use base 'Class::DBI::Oracle'; 
...
use base TestPkg::DBI;
__PACKAGE__->table('permissions');
__PACKAGE__->columns( All => qw/id student_id access_level/);
  3. or download this
    CREATE OR REPLACE VIEW course_enrollment
AS SELECT [...]