my $sth = $dbh->prepare("SELECT `Test-Column-1`, `Test-Column-2` FROM `"
			.$config{'MySQL.table'}."` WHERE 1");

if (!$sth->execute()) {
    die "Error: ". $sth->errstr ."\n";
}

my ($column_1, $column_2);

# Bind Perl variables to columns:
$sth->bind_columns(\$column_1, \$column_2);

my %row;
# Column binding is the most efficient way to fetch data
while ($sth->fetch) {
    $row{$column_1} = $column_2;
}

print Dumper \%row;

__END__

$VAR1 = {
          'value-1 Column1' => 'value-1 Column2',
          'value-2 Column1' => 'value-2 Column2',
          'value-3 Column1' => 'value-3 Column2'
        };

##</code><code>##

#!/usr/bin/perl
use DBI;
use strict;
use warnings;
use Data::Dumper;
use Config::Simple;

my %config = ();
my $path = 'conf.ini';

sub mysql {
    Config::Simple->import_from("".$path."", \%config)
	or die Config::Simple->error();

    my $dbh = DBI->connect("dbi:mysql::".$config{'MySQL.host'}.":".$config{'MySQL.port'}."", 
			   "".$config{'MySQL.user'}."",
			   "".$config{'MySQL.pass'}."",
			   { 'PrintError' => 1, 'RaiseError' => 1 , 'AutoInactiveDestroy' => 1 } 
	) or die "Could not connect to ". $config{'MySQL.host'} .": ". $DBI::errstr ."\n";

    my $databases = $dbh->do("SHOW DATABASES LIKE '".$config{'MySQL.db'}."'")
	or die "Error: " .dbh->errstr. "\n";

    if ($databases eq 1) {
	printf "Database: ". $config{'MySQL.db'} ." exists not creating: ". $config{'MySQL.db'} ."\n";
    }
    else {
	printf "Database: ". $config{'MySQL.db'} ." does not exist creating: ". $config{'MySQL.db'} ."\n";

	my $checkExist = $dbh->do("CREATE DATABASE IF NOT EXISTS `".$config{'MySQL.db'}."`")
	    or die "Could not create the: ".$config{'MySQL.db'}." error: ". $dbh->errstr ."\n";
    } # End of else

    $dbh->do("USE ".$config{'MySQL.db'}."")
	or die "Error: " .dbh->errstr. "\n";

    my $tables = $dbh->do("SHOW TABLES FROM `".$config{'MySQL.db'}."`
			  WHERE Tables_in_".$config{'MySQL.db'}." LIKE
			  '".$config{'MySQL.table'}."'")
	or die "Error: ".dbh->errstr. "\n";

    if ($tables eq 1) {
	printf "Table: ".$config{'MySQL.table'}." exists not creating: ".$config{'MySQL.table'}."\n";
    }
    else {
	printf "Table: ".$config{'MySQL.table'}." does not exist creating: ".$config{'MySQL.table'}."\n";

	my $prepareTable = $dbh->prepare("CREATE TABLE ".$config{'MySQL.table'}." (
				    `ID` INT NOT NULL AUTO_INCREMENT,
				    `Test-Column-1` VARCHAR(25) CHARACTER SET utf8 NOT NULL UNIQUE,
				    `Test-Column-2` VARCHAR(25) CHARACTER SET utf8 NOT NULL UNIQUE,
				    PRIMARY KEY(`ID`)
				    );");

	if (!$prepareTable->execute()) {
	    die "Error: ". $prepareTable->errstr ."\n";
	}
    } # End of else

    my $checkExistInsert = $dbh->prepare("INSERT IGNORE INTO `".$config{'MySQL.table'}.
				"` (`Test-Column-1`, `Test-Column-2`) VALUES
 ('value-1 Column1','value-1 Column2'),('value-2 Column1','value-2 Column2'), ('value-3 Column1','value-3 Column2')");

    if (!$checkExistInsert->execute()) {
	die "Error: ". $checkExistInsert->errstr ."\n";
    }

    my $sth = $dbh->prepare("SELECT `Test-Column-1`, `Test-Column-2` FROM `"
	.$config{'MySQL.table'}."` WHERE 1");

    if (!$sth->execute()) {
	die "Error: ". $sth->errstr ."\n";
    }

    my ($column_1, $column_2);

    # Bind Perl variables to columns:
    $sth->bind_columns(\$column_1, \$column_2);

    my %row;
    # Column binding is the most efficient way to fetch data
    while ($sth->fetch) {
	$row{$column_1} = $column_2;
    }

    $dbh->disconnect()
	or warn "Error disconnecting: $DBI::errstr\n";

    return \%row;

} # End of mysql sub

my $output_ref = mysql();

print Dumper $output_ref;

__END__

$ perl test.pl
Database: PerlMonks exists not creating: PerlMonks
Table: Data exists not creating: Data
$VAR1 = {
          'value-1 Column1' => 'value-1 Column2',
          'value-2 Column1' => 'value-2 Column2',
          'value-3 Column1' => 'value-3 Column2'
        };

##</code><code>##

my %row;
# Column binding is the most efficient way to fetch data
while ($sth->fetch) {
    $row{$config{'MySQL.table'}}{$column_1} = $column_2;
}

$ perl test.pl
Database: PerlMonks exists not creating: PerlMonks
Table: Data exists not creating: Data
$VAR1 = {
          'Data' => {
                      'value-1 Column1' => 'value-1 Column2',
                      'value-3 Column1' => 'value-3 Column2',
                      'value-2 Column1' => 'value-2 Column2'
                    }
        };

##</code><code>##

[MySQL]
user=user
pass=password
host=localhost
port=3306
db=PerlMonks
table=Data