Roboticus, Finally I got it working. there were quite a few issues apart from the cleanliness:

- First, The chomp part that you said not working here although it was essential. Please find my discussion on below threads: http://stackoverflow.com/questions/11645696/perls-chomp-chomp-is-removing-the-whole-word-instead-of-the-newline Chomp is removing the whole word instead of the newline

- I had this chomping problem way before I created this thread. I have documented solution on the stackoverflow one. will post my solution on perlmonks as well

- Second, for whatever reason, I had to unassign "primary Key" column by logging to the SQL developer. Although my entries were not duplicates...still..I had to do it

- Third, I was uploading the values in a wrong way. The DBI documentation led to use the "$dbh->quote" method to upload strings.

- Finally, I used Text::CSV to retrieve individual values of my CSV and then uploaded them using the "$dbh->quote".

Here is the csv:

vm,farm,dmz
name1,farm1,z1
name2,farm2,z2
name3,farm3,z3
[download]

and here is my code:

#!/usr/bin/perl -w

use strict;
use Text::CSV;
use DBI;

my $csv = Text::CSV->new ( { binary => 1 } )  
                  or die "Cannot use CSV: ".Text::CSV->error_diag ();

open my $fh, "<:encoding(utf8)", "test.csv" or die " $!";

<$fh>; ### this is to remove the column headers.

my $dbh = DBI->connect ("dbi:Oracle:host=<hostname>;sid=<SID>;port=152
+6", 'username', 'password',
                        { RaiseError => 1, AutoCommit => 1, TraceLevel
+ => 0 })
                        or die "Cannot create Database Handle: $DBI::e
+rrstr()";


while ( my $row = $csv->getline ($fh))
{
        my $col1 = $dbh->quote ("$row->[0]");
        my $col2 = $dbh->quote ("$row->[1]");
        my $col3 = $dbh->quote ("$row->[2]");
        $dbh->do ("INSERT INTO CLUSTER_MAPPING (VM, FARM, DMZ) VALUES 
+($col1, $col2, $col3)");
}

$dbh->disconnect();
close $fh;
[download]

Thank you very much for your advice and time.

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