Perl 操作DB2数据库

#!/usr/bin/perl -w  
#################################################################################################
# Author: George Feng  added on Sep 13th
# Usage: This script is used to Access DB2  
# Version: 0.1
# License: GPL v2
#
#################################################################################################

#load modules
use Spreadsheet::ParseExcel;  
use DBI;
use DBD::DB2::Constants;
use DBD::DB2;

# Configure DB2 Connection Info
my $db_name = "citm";
my $username = "admin";
my $password = "password";

# connect
my $dbh = DBI->connect("dbi:DB2:$db_name", $username, $password);
if ($dbh)
{
     print "-->CITM Database \"$db_name\" connected successfully...\n\n";
} else 
{
     print "-->Error: Can not connect to $db_name!!!\n\n";   
}


# execute INSERT 
sub _execute_insert(){
	print "--->start insert record to db ...\n";
	my $cols=$_[0];
	my $values=$_[1];
	my $insert="INSERT INTO tablename ".$cols." VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?) ";
	print "----> sql satament is $insert \n";
	$sth = $dbh->prepare($insert);

	#bind paras
	$count=1;
    while($count<=(@$values-1)){
		$sth->bind_param($count,@$values[$count]);
        $count++;
    }
	if($sth->execute() ) {
		  return($sth);
		} else {
			print "Execution of insert failed: \n";
			return(0);
		}
}




# execute SELECT query
$sth = $dbh->prepare("SELECT * FROM tablename");
$sth->execute();
# iterate through resultset
# print values
while(my $hash_ref = $sth->fetchrow_hashref) {
    print "name:$hash_ref->{'name'}";
    print ",owner:$hash_ref->{'owner'}";
    print ",sex:$hash_ref->{'sex'}";
    print ",birth:$hash_ref->{'birth'}";
    print ",death:$hash_ref->{'death'}";
    print "\n";
}


$sth = $dbh->prepare("SELECT * FROM tablename");
$sth->execute();
while(my $array_ref = $sth->fetchrow_arrayref) {
    print "name:$array_ref->[0]";
    print ",owner:$array_ref->[1]";
    print ",sex:$array_ref->[2]";
    print ",birth:$array_ref->[3]";
    print ",death:$array_ref->[4]";
    print "\n";
}



$sth = $dbh->prepare("SELECT * FROM pet");
$sth->execute();
print "fetchrow_array output style----\n";
while(my @row_array = $sth->fetchrow_array) {
    print "name:$row_array[0]";
    print ",owner:$row_array[1]";
    print ",sex:$row_array[2]";
    print ",birth:$row_array[3]";
    print ",death:$row_array[4]";
    print "\n";
}

# execute DELETE
my $c = $dbh->do('DELETE FROM tablename');
# clean up
$dbh->disconnect(); 

有兴趣的可以：
http://www.ibm.com/developerworks/cn/data/library/techarticles/dm-0512greenstein/?S_TACT=105AGX52&S_CMP=techccid