use DBI;

my $db = DBI->connect("DBI:mysql:dbname=testdb","root","");

$db->do("create table source (NAME CHAR(20),ADDRESS CHAR(20),PHONE CHAR(20))");

$sth=$db->prepare("insert into source (NAME,ADDRESS,PHONE) VALUES (?,?,?)");

for (1..20000)
{
	$sth->execute("name $_","address $_","phone $_");
}


$db->do("create table target (NAME CHAR(20),POSTAL CHAR(20),TELEPHONE CHAR(20))");

$sth=$db->prepare("insert into target (NAME,POSTAL,TELEPHONE) VALUES (?,?,?)");

for (1..10)
{
	$sth->execute("name $_","postal $_","telephone $_");
}