########################
# Declare Modules
########################
use strict;
use warnings;
# Other Modules
use POSIX qw(strftime);
use Time::HiRes qw(time);
use Time::Piece;
use Time::Seconds;
no warnings 'redefine';
use DBI;
use DBD::Oracle qw(:ora_types :ora_fetch_orient :ora_exe_modes);

. . . .

sub connect_to_database($$$)
{
        # Declare the variables
        my ($db_uid, $db_pwd, $db_sid) = @_;
        my $dbh;
        my %attribs = (
                PrintError => 0,
                AutoCommit => 0,
                RaiseError => 0
                );

        $dbh = DBI->connect("DBI:Oracle:".$db_sid, $db_uid, $db_pwd , \%attribs )
                or  die "ERROR: Can't connect to database ($db_uid\@$db_sid): ".$DBI::errstr."\n";

        return $dbh;
}