Hi Merijn, Thanks for your reply. The version of PERL that I have to work with is perl5 (revision 5 version 10 subversion 1) configuration: ActivePerl Build 1007 291969:Compiled at Jan 27 2010 14:12:21 . . There is now some error in referencing the hashref to print to output 
Use of uninitialized value in concatenation (.) or string at .. line 5
+5.

[download]
Here is my revised code 

use warnings;
use strict;
use DBI;


# Create connection string to database point.csv 
my $dbh = DBI->connect ("dbi:CSV:", undef, undef, {
      f_ext      => ".csv/r",
      f_encoding => "utf-8",
      });

my $sth = $dbh->prepare ("select * from point where ID_DEVTYP like 'IN
+TELI%' AND ID_POINT like 'AUTO%'");
$sth->execute;

# Create AFS CSV with Columns
open (DAT_OUTPUT,">AFS.csv");
print DAT_OUTPUT "RECORD,SUBSCRIPT,ID_SUBSTN,CO_SUBSTN,AREA_SUBSTN,ID_
+DEVTYP,ID_DEVICE,NAME_DEVICE,AREA_DEVICE,ID_MEAS,ID_POINT,SITE_POINT,
+AREA_POINT\n";

# Cycle through SQL results on ROW basis and print to AFS CSV file
while (my $row = $sth->fetchrow_hashref) 
{
      print DAT_OUTPUT "$row->{RECORD},$row->{SUBSCRIPT},$row->{ID_SUB
+STN},$row->{CO_SUBSTN},$row->{AREA_SUBSTN},$row->{ID_DEVTYP},$row->{I
+D_DEVICE},$row->{NAME_DEVICE},$row->{AREA_DEVICE},$row->{ID_MEAS},$ro
+w->{ID_POINT},$row->{SITE_POINT},$row->{AREA_POINT}\n";
}
# Close file    
close DAT_OUTPUT;

[download]

In reply to Re^2: DBD::CSV::st execute failed. No such file or directory at C:/Perl64/lib/DBD/File.pm line 565 by PrincessofPERL
in thread DBD::CSV::st execute failed. No such file or directory at C:/Perl64/lib/DBD/File.pm line 565 by PrincessofPERL

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